401232012 has 12 divisors (see below), whose sum is σ = 936208056. Its totient is φ = 133744000.

The previous prime is 401231951. The next prime is 401232059. The reversal of 401232012 is 210232104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 401231982 and 401232000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16717989 + ... + 16718012.

It is an arithmetic number, because the mean of its divisors is an integer number (78017338).

Almost surely, 2^401232012 is an apocalyptic number.

It is an amenable number.

401232012 is an abundant number, since it is smaller than the sum of its proper divisors (534976044).

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

401232012 is a wasteful number, since it uses less digits than its factorization.

401232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33436008 (or 33436006 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401232012 is about 20030.7766199915. The cubic root of 401232012 is about 737.5619862484.

Adding to 401232012 its reverse (210232104), we get a palindrome (611464116).

The spelling of 401232012 in words is "four hundred one million, two hundred thirty-two thousand, twelve".