33455214012 has 72 divisors (see below), whose sum is σ = 88571854336. Its totient is φ = 9810900000.

The previous prime is 33455214007. The next prime is 33455214017. The reversal of 33455214012 is 21041255433.

It is an interprime number because it is at equal distance from previous prime (33455214007) and next prime (33455214017).

It is a super-2 number, since 2×33455214012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33455214017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326614 + ... + 416637.

Almost surely, 2^33455214012 is an apocalyptic number.

It is an amenable number.

33455214012 is an abundant number, since it is smaller than the sum of its proper divisors (55116640324).

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

33455214012 is a wasteful number, since it uses less digits than its factorization.

33455214012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743311 (or 743298 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 33455214012 its reverse (21041255433), we get a palindrome (54496469445).

The spelling of 33455214012 in words is "thirty-three billion, four hundred fifty-five million, two hundred fourteen thousand, twelve".