212212230011998 has 48 divisors (see below), whose sum is σ = 331756815564720. Its totient is φ = 101800066298112.

The previous prime is 212212230011981. The next prime is 212212230012017. The reversal of 212212230011998 is 899110032212212.

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 23 ways as a sum of consecutive naturals, for example, 1554178786 + ... + 1554315322.

It is an arithmetic number, because the mean of its divisors is an integer number (6911600324265).

Almost surely, 2^{212212230011998} is an apocalyptic number.

212212230011998 is a deficient number, since it is larger than the sum of its proper divisors (119544585552722).

212212230011998 is a wasteful number, since it uses less digits than its factorization.

212212230011998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142429 (or 142400 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 212212230011998 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred thirty million, eleven thousand, nine hundred ninety-eight".