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1200212133031 = 9531259404127
BaseRepresentation
bin10001011101110010001…
…101111100010010100111
311020201221211212120210101
4101131302031330102213
5124131013301224111
62315211515204531
7152466242542462
oct21356215742247
94221854776711
101200212133031
1142300950684a
12174738746747
138924452c702
144213a7882d9
152134863ebc1
hex1177237c4a7

1200212133031 has 4 divisors (see below), whose sum is σ = 1201471538112. Its totient is φ = 1198952727952.

The previous prime is 1200212133017. The next prime is 1200212133049. The reversal of 1200212133031 is 1303312120021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200212133031 - 239 = 650456319143 is a prime.

It is a super-2 number, since 2×12002121330312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200212113031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629701111 + ... + 629703016.

It is an arithmetic number, because the mean of its divisors is an integer number (300367884528).

Almost surely, 21200212133031 is an apocalyptic number.

1200212133031 is a deficient number, since it is larger than the sum of its proper divisors (1259405081).

1200212133031 is an equidigital number, since it uses as much as digits as its factorization.

1200212133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259405080.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1200212133031 its reverse (1303312120021), we get a palindrome (2503524253052).

The spelling of 1200212133031 in words is "one trillion, two hundred billion, two hundred twelve million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 953 1259404127 1200212133031