123415401012 has 96 divisors (see below), whose sum is σ = 302857519104. Its totient is φ = 39074092800.

The previous prime is 123415400981. The next prime is 123415401019. The reversal of 123415401012 is 210104514321.

It is a super-2 number, since 2×123415401012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123415401019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4402713 + ... + 4430655.

It is an arithmetic number, because the mean of its divisors is an integer number (3154765824).

Almost surely, 2^123415401012 is an apocalyptic number.

123415401012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123415401012 is an abundant number, since it is smaller than the sum of its proper divisors (179442118092).

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

123415401012 is a wasteful number, since it uses less digits than its factorization.

123415401012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28229 (or 28227 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 123415401012 its reverse (210104514321), we get a palindrome (333519915333).

The spelling of 123415401012 in words is "one hundred twenty-three billion, four hundred fifteen million, four hundred one thousand, twelve".