33212254215 has 64 divisors (see below), whose sum is σ = 62561664000. Its totient is φ = 14729831424.

The previous prime is 33212254157. The next prime is 33212254249. The reversal of 33212254215 is 51245221233.

It is not a de Polignac number, because 33212254215 - 2¹⁴ = 33212237831 is a prime.

It is a super-2 number, since 2×33212254215² (a number of 22 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 648051 + ... + 697419.

It is an arithmetic number, because the mean of its divisors is an integer number (977526000).

Almost surely, 2^33212254215 is an apocalyptic number.

33212254215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

33212254215 is a deficient number, since it is larger than the sum of its proper divisors (29349409785).

33212254215 is a wasteful number, since it uses less digits than its factorization.

33212254215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49576.

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

Adding to 33212254215 its reverse (51245221233), we get a palindrome (84457475448).

The spelling of 33212254215 in words is "thirty-three billion, two hundred twelve million, two hundred fifty-four thousand, two hundred fifteen".