39120002122 has 4 divisors (see below), whose sum is σ = 58680003186. Its totient is φ = 19560001060.

The previous prime is 39120002107. The next prime is 39120002123. The reversal of 39120002122 is 22120002193.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32753398441 + 6366603681 = 180979^2 + 79791^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39120002093 and 39120002102.

It is not an unprimeable number, because it can be changed into a prime (39120002123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9780000529 + ... + 9780000532.

Almost surely, 2^39120002122 is an apocalyptic number.

39120002122 is a deficient number, since it is larger than the sum of its proper divisors (19560001064).

39120002122 is a wasteful number, since it uses less digits than its factorization.

39120002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19560001063.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 39120002122 in words is "thirty-nine billion, one hundred twenty million, two thousand, one hundred twenty-two".