6401120120212 has 48 divisors (see below), whose sum is σ = 11717431713792. Its totient is φ = 3053961836640.

The previous prime is 6401120120099. The next prime is 6401120120249. The reversal of 6401120120212 is 2120210211046.

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, 332844637 + ... + 332863867.

It is an arithmetic number, because the mean of its divisors is an integer number (244113160704).

Almost surely, 2^{6401120120212} is an apocalyptic number.

It is an amenable number.

6401120120212 is a deficient number, since it is larger than the sum of its proper divisors (5316311593580).

6401120120212 is a wasteful number, since it uses less digits than its factorization.

6401120120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27868 (or 27866 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 6401120120212 its reverse (2120210211046), we get a palindrome (8521330331258).

The spelling of 6401120120212 in words is "six trillion, four hundred one billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".