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1202130021210 = 23589450235963
BaseRepresentation
bin10001011111100100100…
…010000110101101011010
311020220220111201101202220
4101133210202012231122
5124143430241134320
62320130110204510
7152564621404266
oct21374442065532
94226814641686
101202130021210
1142390306a5a8
12174b92ab3736
138948b9873a1
144227d38b0a6
152140bbd2e40
hex117e4886b5a

1202130021210 has 32 divisors (see below), whose sum is σ = 2917529046720. Its totient is φ = 316966117248.

The previous prime is 1202130021199. The next prime is 1202130021229. The reversal of 1202130021210 is 121200312021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202130021210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225115312 + ... + 225120651.

It is an arithmetic number, because the mean of its divisors is an integer number (91172782710).

Almost surely, 21202130021210 is an apocalyptic number.

1202130021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202130021210 is an abundant number, since it is smaller than the sum of its proper divisors (1715399025510).

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

1202130021210 is a wasteful number, since it uses less digits than its factorization.

1202130021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450236062.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1202130021210 its reverse (121200312021), we get a palindrome (1323330333231).

The spelling of 1202130021210 in words is "one trillion, two hundred two billion, one hundred thirty million, twenty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 89 178 267 445 534 890 1335 2670 450235963 900471926 1350707889 2251179815 2701415778 4502359630 6753539445 13507078890 40071000707 80142001414 120213002121 200355003535 240426004242 400710007070 601065010605 1202130021210