420402202312 has 32 divisors (see below), whose sum is σ = 800095507200. Its totient is φ = 207044000064.

The previous prime is 420402202303. The next prime is 420402202349. The reversal of 420402202312 is 213202204024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6716553 + ... + 6778855.

It is an arithmetic number, because the mean of its divisors is an integer number (25002984600).

Almost surely, 2^420402202312 is an apocalyptic number.

It is an amenable number.

420402202312 is a deficient number, since it is larger than the sum of its proper divisors (379693304888).

420402202312 is a wasteful number, since it uses less digits than its factorization.

420402202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74965 (or 74961 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 420402202312 its reverse (213202204024), we get a palindrome (633604406336).

The spelling of 420402202312 in words is "four hundred twenty billion, four hundred two million, two hundred two thousand, three hundred twelve".