123011000012112 has 20 divisors (see below), whose sum is σ = 317778416698080. Its totient is φ = 41003666670688.

The previous prime is 123011000012101. The next prime is 123011000012123. The reversal of 123011000012112 is 211210000110321.

It is an interprime number because it is at equal distance from previous prime (123011000012101) and next prime (123011000012123).

It is a super-2 number, since 2×123011000012112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123011000012091 and 123011000012100.

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, 1281364583412 + ... + 1281364583507.

It is an arithmetic number, because the mean of its divisors is an integer number (15888920834904).

Almost surely, 2^{123011000012112} is an apocalyptic number.

123011000012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123011000012112 is an abundant number, since it is smaller than the sum of its proper divisors (194767416685968).

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

123011000012112 is a wasteful number, since it uses less digits than its factorization.

123011000012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562729166930 (or 2562729166924 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 123011000012112 its reverse (211210000110321), we get a palindrome (334221000122433).

The spelling of 123011000012112 in words is "one hundred twenty-three trillion, eleven billion, twelve thousand, one hundred twelve".