401212132212 has 48 divisors (see below), whose sum is σ = 942272963072. Its totient is φ = 132864973920.

The previous prime is 401212132183. The next prime is 401212132301. The reversal of 401212132212 is 212231212104.

It is a happy number.

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, 5138787 + ... + 5216277.

Almost surely, 2^401212132212 is an apocalyptic number.

It is an amenable number.

401212132212 is an abundant number, since it is smaller than the sum of its proper divisors (541060830860).

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

401212132212 is a wasteful number, since it uses less digits than its factorization.

401212132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80308 (or 80306 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 401212132212 its reverse (212231212104), we get a palindrome (613443344316).

The spelling of 401212132212 in words is "four hundred one billion, two hundred twelve million, one hundred thirty-two thousand, two hundred twelve".