123736196712 has 64 divisors (see below), whose sum is σ = 310197625920. Its totient is φ = 41131232768.

The previous prime is 123736196641. The next prime is 123736196723. The reversal of 123736196712 is 217691637321.

It is a happy number.

It is a super-2 number, since 2×123736196712² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27759988 + ... + 27764444.

It is an arithmetic number, because the mean of its divisors is an integer number (4846837905).

Almost surely, 2^123736196712 is an apocalyptic number.

123736196712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123736196712 is an abundant number, since it is smaller than the sum of its proper divisors (186461429208).

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

123736196712 is a wasteful number, since it uses less digits than its factorization.

123736196712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410 (or 7406 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The spelling of 123736196712 in words is "one hundred twenty-three billion, seven hundred thirty-six million, one hundred ninety-six thousand, seven hundred twelve".