420312234012 has 48 divisors (see below), whose sum is σ = 1087424817024. Its totient is φ = 125279352000.

The previous prime is 420312233993. The next prime is 420312234047. The reversal of 420312234012 is 210432213024.

It is a happy number.

It is a super-2 number, since 2×420312234012² (a number of 24 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 15 ways as a sum of consecutive naturals, for example, 26091814 + ... + 26107917.

It is an arithmetic number, because the mean of its divisors is an integer number (22654683688).

Almost surely, 2^420312234012 is an apocalyptic number.

It is an amenable number.

420312234012 is an abundant number, since it is smaller than the sum of its proper divisors (667112583012).

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

420312234012 is a wasteful number, since it uses less digits than its factorization.

420312234012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52199810 (or 52199808 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 420312234012 its reverse (210432213024), we get a palindrome (630744447036).

The spelling of 420312234012 in words is "four hundred twenty billion, three hundred twelve million, two hundred thirty-four thousand, twelve".