33212013312157 has 2 divisors, whose sum is σ = 33212013312158. Its totient is φ = 33212013312156.

The previous prime is 33212013312083. The next prime is 33212013312167. The reversal of 33212013312157 is 75121331021233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30719738566521 + 2492274745636 = 5542539^2 + 1578694^2 .

It is a cyclic number.

It is not a de Polignac number, because 33212013312157 - 2¹⁹ = 33212012787869 is a prime.

It is a super-2 number, since 2×33212013312157² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33212013312167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16606006656078 + 16606006656079.

It is an arithmetic number, because the mean of its divisors is an integer number (16606006656079).

Almost surely, 2^{33212013312157} is an apocalyptic number.

It is an amenable number.

33212013312157 is a deficient number, since it is larger than the sum of its proper divisors (1).

33212013312157 is an equidigital number, since it uses as much as digits as its factorization.

33212013312157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 33212013312157 in words is "thirty-three trillion, two hundred twelve billion, thirteen million, three hundred twelve thousand, one hundred fifty-seven".