4212321115212 has 96 divisors (see below), whose sum is σ = 12497183283200. Its totient is φ = 1201955106816.

The previous prime is 4212321115193. The next prime is 4212321115217. The reversal of 4212321115212 is 2125111232124.

4212321115212 is a `hidden beast` number, since 4 + 2 + 1 + 23 + 2 + 111 + 521 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4212321115217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3041428 + ... + 4204155.

Almost surely, 2^{4212321115212} is an apocalyptic number.

4212321115212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4212321115212 is an abundant number, since it is smaller than the sum of its proper divisors (8284862167988).

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

4212321115212 is a wasteful number, since it uses less digits than its factorization.

4212321115212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246372 (or 7246364 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

Adding to 4212321115212 its reverse (2125111232124), we get a palindrome (6337432347336).

The spelling of 4212321115212 in words is "four trillion, two hundred twelve billion, three hundred twenty-one million, one hundred fifteen thousand, two hundred twelve".