212259343802 has 16 divisors (see below), whose sum is σ = 347345705952. Its totient is φ = 96478121520.

The previous prime is 212259343799. The next prime is 212259343831. The reversal of 212259343802 is 208343952212.

It is a self number, because there is not a number n which added to its sum of digits gives 212259343802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533588 + ... + 842160.

It is an arithmetic number, because the mean of its divisors is an integer number (21709106622).

Almost surely, 2^212259343802 is an apocalyptic number.

212259343802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212259343802 is a deficient number, since it is larger than the sum of its proper divisors (135086362150).

212259343802 is a wasteful number, since it uses less digits than its factorization.

212259343802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339853.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 212259343802 in words is "two hundred twelve billion, two hundred fifty-nine million, three hundred forty-three thousand, eight hundred two".