33013212121023 has 24 divisors (see below), whose sum is σ = 44695997366832. Its totient is φ = 21674692093824.

The previous prime is 33013212121013. The next prime is 33013212121039. The reversal of 33013212121023 is 32012121231033.

It is not a de Polignac number, because 33013212121023 - 2²⁸ = 33012943685567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33013212120984 and 33013212121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33013212121003) 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, 51895411 + ... + 52527707.

It is an arithmetic number, because the mean of its divisors is an integer number (1862333223618).

Almost surely, 2^{33013212121023} is an apocalyptic number.

33013212121023 is a deficient number, since it is larger than the sum of its proper divisors (11682785245809).

33013212121023 is an equidigital number, since it uses as much as digits as its factorization.

33013212121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636311 (or 636244 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 33013212121023 its reverse (32012121231033), we get a palindrome (65025333352056).

The spelling of 33013212121023 in words is "thirty-three trillion, thirteen billion, two hundred twelve million, one hundred twenty-one thousand, twenty-three".