33121420239 has 32 divisors (see below), whose sum is σ = 45002707200. Its totient is φ = 21665779200.

The previous prime is 33121420237. The next prime is 33121420291. The reversal of 33121420239 is 93202412133.

It is not a de Polignac number, because 33121420239 - 2¹ = 33121420237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33121420237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14111064 + ... + 14113410.

It is an arithmetic number, because the mean of its divisors is an integer number (1406334600).

Almost surely, 2^33121420239 is an apocalyptic number.

33121420239 is a deficient number, since it is larger than the sum of its proper divisors (11881286961).

33121420239 is a wasteful number, since it uses less digits than its factorization.

33121420239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 33121420239 in words is "thirty-three billion, one hundred twenty-one million, four hundred twenty thousand, two hundred thirty-nine".