6401212012 has 12 divisors (see below), whose sum is σ = 12063822736. Its totient is φ = 2954405520.

The previous prime is 6401212001. The next prime is 6401212063. The reversal of 6401212012 is 2102121046.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

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, 61550064 + ... + 61550167.

Almost surely, 2^6401212012 is an apocalyptic number.

It is an amenable number.

6401212012 is a deficient number, since it is larger than the sum of its proper divisors (5662610724).

6401212012 is a wasteful number, since it uses less digits than its factorization.

6401212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123100248 (or 123100246 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 6401212012 is about 80007.5747163979. The cubic root of 6401212012 is about 1856.7527273259.

Adding to 6401212012 its reverse (2102121046), we get a palindrome (8503333058).

The spelling of 6401212012 in words is "six billion, four hundred one million, two hundred twelve thousand, twelve".