6344661511212 has 48 divisors (see below), whose sum is σ = 14992207641600. Its totient is φ = 2088032544000.

The previous prime is 6344661511189. The next prime is 6344661511213. The reversal of 6344661511212 is 2121151664436.

It is not an unprimeable number, because it can be changed into a prime (6344661511213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26187364 + ... + 26428532.

It is an arithmetic number, because the mean of its divisors is an integer number (312337659200).

Almost surely, 2^{6344661511212} is an apocalyptic number.

It is an amenable number.

6344661511212 is an abundant number, since it is smaller than the sum of its proper divisors (8647546130388).

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

6344661511212 is a wasteful number, since it uses less digits than its factorization.

6344661511212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269006 (or 269004 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The spelling of 6344661511212 in words is "six trillion, three hundred forty-four billion, six hundred sixty-one million, five hundred eleven thousand, two hundred twelve".