33231212401 has 16 divisors (see below), whose sum is σ = 35390520000. Its totient is φ = 31113282816.

The previous prime is 33231212393. The next prime is 33231212423. The reversal of 33231212401 is 10421213233.

It is a cyclic number.

It is not a de Polignac number, because 33231212401 - 2³ = 33231212393 is a prime.

It is a super-2 number, since 2×33231212401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33231212471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5017270 + ... + 5023888.

It is an arithmetic number, because the mean of its divisors is an integer number (2211907500).

Almost surely, 2^33231212401 is an apocalyptic number.

It is an amenable number.

33231212401 is a deficient number, since it is larger than the sum of its proper divisors (2159307599).

33231212401 is a wasteful number, since it uses less digits than its factorization.

33231212401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9696.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 33231212401 its reverse (10421213233), we get a palindrome (43652425634).

The spelling of 33231212401 in words is "thirty-three billion, two hundred thirty-one million, two hundred twelve thousand, four hundred one".