33213121342 has 32 divisors (see below), whose sum is σ = 54742936320. Its totient is φ = 15042709440.

The previous prime is 33213121327. The next prime is 33213121369. The reversal of 33213121342 is 24312131233.

It is a super-2 number, since 2×33213121342² (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 15 ways as a sum of consecutive naturals, for example, 2940618 + ... + 2951890.

It is an arithmetic number, because the mean of its divisors is an integer number (1710716760).

Almost surely, 2^33213121342 is an apocalyptic number.

33213121342 is a deficient number, since it is larger than the sum of its proper divisors (21529814978).

33213121342 is a wasteful number, since it uses less digits than its factorization.

33213121342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14688.

The product of its digits is 2592, while the sum is 25.

Adding to 33213121342 its reverse (24312131233), we get a palindrome (57525252575).

The spelling of 33213121342 in words is "thirty-three billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred forty-two".