401202012 has 24 divisors (see below), whose sum is σ = 936680976. Its totient is φ = 133656448.

The previous prime is 401201987. The next prime is 401202071. The reversal of 401202012 is 210202104.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14218 + ... + 31694.

It is an arithmetic number, because the mean of its divisors is an integer number (39028374).

Almost surely, 2^401202012 is an apocalyptic number.

It is an amenable number.

401202012 is an abundant number, since it is smaller than the sum of its proper divisors (535478964).

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

401202012 is a wasteful number, since it uses less digits than its factorization.

401202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19397 (or 19395 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 401202012 is about 20030.0277583432. The cubic root of 401202012 is about 737.5436033590.

Adding to 401202012 its reverse (210202104), we get a palindrome (611404116).

The spelling of 401202012 in words is "four hundred one million, two hundred two thousand, twelve".