30120100994 has 4 divisors (see below), whose sum is σ = 45180151494. Its totient is φ = 15060050496.

The previous prime is 30120100973. The next prime is 30120101087. The reversal of 30120100994 is 49900102103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49900102103 = 31 ⋅1609680713.

It can be written as a sum of positive squares in only one way, i.e., 30027691225 + 92409769 = 173285^2 + 9613^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530025247 + ... + 7530025250.

Almost surely, 2^30120100994 is an apocalyptic number.

30120100994 is a deficient number, since it is larger than the sum of its proper divisors (15060050500).

30120100994 is a wasteful number, since it uses less digits than its factorization.

30120100994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15060050499.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 30120100994 in words is "thirty billion, one hundred twenty million, one hundred thousand, nine hundred ninety-four".