120421023444252 has 36 divisors (see below), whose sum is σ = 304398642254616. Its totient is φ = 40140201998880.

The previous prime is 120421023444223. The next prime is 120421023444299. The reversal of 120421023444252 is 252444320124021.

120421023444252 is a `hidden beast` number, since 1 + 20 + 42 + 1 + 0 + 2 + 344 + 4 + 252 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×120421023444252² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 5007102 + ... + 16306842.

It is an arithmetic number, because the mean of its divisors is an integer number (8455517840406).

Almost surely, 2^{120421023444252} is an apocalyptic number.

120421023444252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120421023444252 is an abundant number, since it is smaller than the sum of its proper divisors (183977618810364).

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

120421023444252 is a wasteful number, since it uses less digits than its factorization.

120421023444252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11595778 (or 11595773 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 120421023444252 its reverse (252444320124021), we get a palindrome (372865343568273).

The spelling of 120421023444252 in words is "one hundred twenty trillion, four hundred twenty-one billion, twenty-three million, four hundred forty-four thousand, two hundred fifty-two".