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12101131045 = 56833543523
BaseRepresentation
bin10110100010100100…
…01001101100100101
31011020100102011001201
423101102021230211
5144240342143140
65320441122501
7605606626303
oct132122115445
934210364051
1012101131045
11514a855953
122418789431
1311ab0b3093
1482b225273
154ac59a49a
hex2d1489b25

12101131045 has 8 divisors (see below), whose sum is σ = 14542622496. Its totient is φ = 9666728016.

The previous prime is 12101131033. The next prime is 12101131051. The reversal of 12101131045 is 54013110121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12101131045 - 221 = 12099033893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768347 + ... + 1775176.

It is an arithmetic number, because the mean of its divisors is an integer number (1817827812).

Almost surely, 212101131045 is an apocalyptic number.

It is an amenable number.

12101131045 is a deficient number, since it is larger than the sum of its proper divisors (2441491451).

12101131045 is an equidigital number, since it uses as much as digits as its factorization.

12101131045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544211.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12101131045 its reverse (54013110121), we get a palindrome (66114241166).

The spelling of 12101131045 in words is "twelve billion, one hundred one million, one hundred thirty-one thousand, forty-five".

Divisors: 1 5 683 3415 3543523 17717615 2420226209 12101131045