120145203503100 has 108 divisors (see below), whose sum is σ = 376610069996160. Its totient is φ = 32036882918400.

The previous prime is 120145203503089. The next prime is 120145203503189. The reversal of 120145203503100 is 1305302541021.

120145203503100 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 4 + 52 + 0 + 3 + 503 + 100 = 666.

It is a super-2 number, since 2×120145203503100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11903436 + ... + 19544364.

Almost surely, 2^{120145203503100} is an apocalyptic number.

120145203503100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120145203503100 is an abundant number, since it is smaller than the sum of its proper divisors (256464866493060).

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

120145203503100 is a wasteful number, since it uses less digits than its factorization.

120145203503100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658420 (or 7658410 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 120145203503100 in words is "one hundred twenty trillion, one hundred forty-five billion, two hundred three million, five hundred three thousand, one hundred".