212322021402 has 32 divisors (see below), whose sum is σ = 429818223744. Its totient is φ = 69916824000.

The previous prime is 212322021397. The next prime is 212322021421. The reversal of 212322021402 is 204120223212.

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, 483393 + ... + 811364.

It is an arithmetic number, because the mean of its divisors is an integer number (13431819492).

Almost surely, 2^212322021402 is an apocalyptic number.

212322021402 is an abundant number, since it is smaller than the sum of its proper divisors (217496202342).

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

212322021402 is a wasteful number, since it uses less digits than its factorization.

212322021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295094.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 212322021402 its reverse (204120223212), we get a palindrome (416442244614).

The spelling of 212322021402 in words is "two hundred twelve billion, three hundred twenty-two million, twenty-one thousand, four hundred two".