202311000221212 has 24 divisors (see below), whose sum is σ = 375673103127504. Its totient is φ = 95001311085312.

The previous prime is 202311000221203. The next prime is 202311000221431. The reversal of 202311000221212 is 212122000113202.

It is a self number, because there is not a number n which added to its sum of digits gives 202311000221212.

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 7 ways as a sum of consecutive naturals, for example, 3185366283 + ... + 3185429794.

It is an arithmetic number, because the mean of its divisors is an integer number (15653045963646).

Almost surely, 2^{202311000221212} is an apocalyptic number.

It is an amenable number.

202311000221212 is a deficient number, since it is larger than the sum of its proper divisors (173362102906292).

202311000221212 is a wasteful number, since it uses less digits than its factorization.

202311000221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370796565 (or 6370796563 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 202311000221212 its reverse (212122000113202), we get a palindrome (414433000334414).

The spelling of 202311000221212 in words is "two hundred two trillion, three hundred eleven billion, two hundred twenty-one thousand, two hundred twelve".