120123031020000 has 240 divisors, whose sum is σ = 399908588188032. Its totient is φ = 31554705600000.

The previous prime is 120123031019993. The next prime is 120123031020019. The reversal of 120123031020000 is 20130321021.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10920676 + ... + 18960675.

Almost surely, 2^{120123031020000} is an apocalyptic number.

120123031020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120123031020000 is an abundant number, since it is smaller than the sum of its proper divisors (279785557168032).

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

120123031020000 is an equidigital number, since it uses as much as digits as its factorization.

120123031020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29881451 (or 29881428 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120123031020000 its reverse (20130321021), we get a palindrome (120143161341021).

The spelling of 120123031020000 in words is "one hundred twenty trillion, one hundred twenty-three billion, thirty-one million, twenty thousand".