120103402500 has 90 divisors (see below), whose sum is σ = 379372023030. Its totient is φ = 32027568000.

The previous prime is 120103402487. The next prime is 120103402543. The reversal of 120103402500 is 5204301021.

120103402500 is a `hidden beast` number, since 1 + 20 + 103 + 40 + 2 + 500 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 62261228484 + 57842174016 = 249522^2 + 240504^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2646465 + ... + 2691464.

Almost surely, 2^120103402500 is an apocalyptic number.

120103402500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120103402500 is an abundant number, since it is smaller than the sum of its proper divisors (259268620530).

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

120103402500 is a wasteful number, since it uses less digits than its factorization.

120103402500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337959 (or 5337939 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 120103402500 its reverse (5204301021), we get a palindrome (125307703521).

The spelling of 120103402500 in words is "one hundred twenty billion, one hundred three million, four hundred two thousand, five hundred".