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1210133022020 = 2251312329377513
BaseRepresentation
bin10001100111000001100…
…011001000010101000100
311021200120020202222000022
4101213001203020111010
5124311323023201040
62323532154234312
7153300136653206
oct21470143102504
94250506688008
101210133022020
1142723a5a755a
12176647125998
138a165a0b320
14427dc1d6776
15217295c26b5
hex119c18c8544

1210133022020 has 48 divisors (see below), whose sum is σ = 2736991600560. Its totient is φ = 446780921856.

The previous prime is 1210133021959. The next prime is 1210133022023. The reversal of 1210133022020 is 202203310121.

It can be written as a sum of positive squares in 8 ways, for example, as 644484628804 + 565648393216 = 802798^2 + 752096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1210133022020.

It is not an unprimeable number, because it can be changed into a prime (1210133022023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3016784 + ... + 3394296.

It is an arithmetic number, because the mean of its divisors is an integer number (57020658345).

Almost surely, 21210133022020 is an apocalyptic number.

1210133022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210133022020 is an abundant number, since it is smaller than the sum of its proper divisors (1526858578540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210133022020 is a wasteful number, since it uses less digits than its factorization.

1210133022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389864 (or 389862 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1210133022020 its reverse (202203310121), we get a palindrome (1412336332141).

The spelling of 1210133022020 in words is "one trillion, two hundred ten billion, one hundred thirty-three million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 12329 24658 49316 61645 123290 160277 246580 320554 377513 641108 755026 801385 1510052 1602770 1887565 3205540 3775130 4907669 7550260 9815338 19630676 24538345 49076690 98153380 4654357777 9308715554 18617431108 23271788885 46543577770 60506651101 93087155540 121013302202 242026604404 302533255505 605066511010 1210133022020