33212014021 has 4 divisors (see below), whose sum is σ = 34283369344. Its totient is φ = 32140658700.

The previous prime is 33212014019. The next prime is 33212014051. The reversal of 33212014021 is 12041021233.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33212014021 - 2¹ = 33212014019 is a prime.

It is a super-2 number, since 2×33212014021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33212014021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212014051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535677615 + ... + 535677676.

It is an arithmetic number, because the mean of its divisors is an integer number (8570842336).

Almost surely, 2^33212014021 is an apocalyptic number.

33212014021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33212014021 is a deficient number, since it is larger than the sum of its proper divisors (1071355323).

33212014021 is a wasteful number, since it uses less digits than its factorization.

33212014021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071355322.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 33212014021 its reverse (12041021233), we get a palindrome (45253035254).

The spelling of 33212014021 in words is "thirty-three billion, two hundred twelve million, fourteen thousand, twenty-one".