420125572100100 has 36 divisors (see below), whose sum is σ = 1215563321943824. Its totient is φ = 112033485893280.

The previous prime is 420125572100063. The next prime is 420125572100131. The reversal of 420125572100100 is 1001275521024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 700209286534 + ... + 700209287133.

Almost surely, 2^{420125572100100} is an apocalyptic number.

It is an amenable number.

420125572100100 is an abundant number, since it is smaller than the sum of its proper divisors (795437749843724).

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

420125572100100 is a wasteful number, since it uses less digits than its factorization.

420125572100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400418573684 (or 1400418573677 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 420125572100100 in words is "four hundred twenty trillion, one hundred twenty-five billion, five hundred seventy-two million, one hundred thousand, one hundred".