120402105212 has 6 divisors (see below), whose sum is σ = 210703684128. Its totient is φ = 60201052604.

The previous prime is 120402105179. The next prime is 120402105221. The reversal of 120402105212 is 212501204021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050263148 + ... + 15050263155.

It is an arithmetic number, because the mean of its divisors is an integer number (35117280688).

Almost surely, 2^120402105212 is an apocalyptic number.

It is an amenable number.

120402105212 is a deficient number, since it is larger than the sum of its proper divisors (90301578916).

120402105212 is a wasteful number, since it uses less digits than its factorization.

120402105212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30100526307 (or 30100526305 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 120402105212 its reverse (212501204021), we get a palindrome (332903309233).

The spelling of 120402105212 in words is "one hundred twenty billion, four hundred two million, one hundred five thousand, two hundred twelve".