123120420044010 has 64 divisors (see below), whose sum is σ = 297444302917632. Its totient is φ = 32615050095936.

The previous prime is 123120420044003. The next prime is 123120420044021. The reversal of 123120420044010 is 10440024021321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4173327 + ... + 16237533.

It is an arithmetic number, because the mean of its divisors is an integer number (4647567233088).

Almost surely, 2^{123120420044010} is an apocalyptic number.

123120420044010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123120420044010 is an abundant number, since it is smaller than the sum of its proper divisors (174323882873622).

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

123120420044010 is a wasteful number, since it uses less digits than its factorization.

123120420044010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12066467.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 123120420044010 its reverse (10440024021321), we get a palindrome (133560444065331).

The spelling of 123120420044010 in words is "one hundred twenty-three trillion, one hundred twenty billion, four hundred twenty million, forty-four thousand, ten".