120510310021400 has 48 divisors (see below), whose sum is σ = 301739276252400. Its totient is φ = 44496114468480.

The previous prime is 120510310021357. The next prime is 120510310021427. The reversal of 120510310021400 is 4120013015021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23175057020 + ... + 23175062219.

It is an arithmetic number, because the mean of its divisors is an integer number (6286234921925).

Almost surely, 2^{120510310021400} is an apocalyptic number.

120510310021400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120510310021400 is an abundant number, since it is smaller than the sum of its proper divisors (181228966231000).

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

120510310021400 is a wasteful number, since it uses less digits than its factorization.

120510310021400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46350119268 (or 46350119259 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 120510310021400 its reverse (4120013015021), we get a palindrome (124630323036421).

The spelling of 120510310021400 in words is "one hundred twenty trillion, five hundred ten billion, three hundred ten million, twenty-one thousand, four hundred".