12111120101012 has 12 divisors (see below), whose sum is σ = 21198511916736. Its totient is φ = 6054402410520.

The previous prime is 12111120100993. The next prime is 12111120101027. The reversal of 12111120101012 is 21010102111121.

It is a super-2 number, since 2×12111120101012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289386458 + ... + 289428305.

It is an arithmetic number, because the mean of its divisors is an integer number (1766542659728).

Almost surely, 2^{12111120101012} is an apocalyptic number.

It is an amenable number.

12111120101012 is a deficient number, since it is larger than the sum of its proper divisors (9087391815724).

12111120101012 is a wasteful number, since it uses less digits than its factorization.

12111120101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578819998 (or 578819996 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12111120101012 its reverse (21010102111121), we get a palindrome (33121222212133).

The spelling of 12111120101012 in words is "twelve trillion, one hundred eleven billion, one hundred twenty million, one hundred one thousand, twelve".