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12101012297 = 111100092027
BaseRepresentation
bin10110100010100011…
…01100101101001001
31011020100012010011122
423101101230231021
5144240324343142
65320434405025
7605605623143
oct132121545511
934210163148
1012101012297
11514a784710
122418730775
1311ab07100a
1482b1d3c93
154ac5751d2
hex2d146cb49

12101012297 has 4 divisors (see below), whose sum is σ = 13201104336. Its totient is φ = 11000920260.

The previous prime is 12101012291. The next prime is 12101012299. The reversal of 12101012297 is 79221010121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12101012297 - 228 = 11832576841 is a prime.

It is a super-2 number, since 2×121010122972 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101012291) 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, 550046003 + ... + 550046024.

It is an arithmetic number, because the mean of its divisors is an integer number (3300276084).

Almost surely, 212101012297 is an apocalyptic number.

It is an amenable number.

12101012297 is a deficient number, since it is larger than the sum of its proper divisors (1100092039).

12101012297 is a wasteful number, since it uses less digits than its factorization.

12101012297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100092038.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 12101012297 in words is "twelve billion, one hundred one million, twelve thousand, two hundred ninety-seven".

Divisors: 1 11 1100092027 12101012297