33312212021420 has 48 divisors (see below), whose sum is σ = 70491194839296. Its totient is φ = 13222879800000.

The previous prime is 33312212021419. The next prime is 33312212021479. The reversal of 33312212021420 is 2412021221333.

It is a super-2 number, since 2×33312212021420² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33312212021420.

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 15 ways as a sum of consecutive naturals, for example, 151826795 + ... + 152046045.

It is an arithmetic number, because the mean of its divisors is an integer number (1468566559152).

Almost surely, 2^{33312212021420} is an apocalyptic number.

It is an amenable number.

33312212021420 is an abundant number, since it is smaller than the sum of its proper divisors (37178982817876).

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

33312212021420 is a wasteful number, since it uses less digits than its factorization.

33312212021420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277382 (or 277380 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 33312212021420 its reverse (2412021221333), we get a palindrome (35724233242753).

The spelling of 33312212021420 in words is "thirty-three trillion, three hundred twelve billion, two hundred twelve million, twenty-one thousand, four hundred twenty".