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1202130323112 = 233131382356973
BaseRepresentation
bin10001011111100100100…
…011010000011010101000
311020220220112021201220110
4101133210203100122220
5124143430330314422
62320130120454320
7152564624102415
oct21374443203250
94226815251813
101202130323112
11423903256404
12174b9301a3a0
138948ba61924
144227d42910c
152140bc4260c
hex117e48d06a8

1202130323112 has 32 divisors (see below), whose sum is σ = 3028267234080. Its totient is φ = 397651250880.

The previous prime is 1202130323111. The next prime is 1202130323153. The reversal of 1202130323112 is 2113230312021.

It is not an unprimeable number, because it can be changed into a prime (1202130323111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191175343 + ... + 191181630.

It is an arithmetic number, because the mean of its divisors is an integer number (94633351065).

Almost surely, 21202130323112 is an apocalyptic number.

1202130323112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202130323112 is an abundant number, since it is smaller than the sum of its proper divisors (1826136910968).

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

1202130323112 is a wasteful number, since it uses less digits than its factorization.

1202130323112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382357113 (or 382357109 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1202130323112 its reverse (2113230312021), we get a palindrome (3315360635133).

The spelling of 1202130323112 in words is "one trillion, two hundred two billion, one hundred thirty million, three hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 382356973 764713946 1147070919 1529427892 2294141838 3058855784 4588283676 9176567352 50088763463 100177526926 150266290389 200355053852 300532580778 400710107704 601065161556 1202130323112