120451252040 has 32 divisors (see below), whose sum is σ = 309731791680. Its totient is φ = 41297572032.

The previous prime is 120451252037. The next prime is 120451252043. The reversal of 120451252040 is 40252154021.

It is an interprime number because it is at equal distance from previous prime (120451252037) and next prime (120451252043).

It is not an unprimeable number, because it can be changed into a prime (120451252043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215091242 + ... + 215091801.

It is an arithmetic number, because the mean of its divisors is an integer number (9679118490).

Almost surely, 2^120451252040 is an apocalyptic number.

120451252040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120451252040 is an abundant number, since it is smaller than the sum of its proper divisors (189280539640).

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

120451252040 is a wasteful number, since it uses less digits than its factorization.

120451252040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430183061 (or 430183057 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 120451252040 in words is "one hundred twenty billion, four hundred fifty-one million, two hundred fifty-two thousand, forty".