102011620012 has 12 divisors (see below), whose sum is σ = 178526253976. Its totient is φ = 51004118880.

The previous prime is 102011620003. The next prime is 102011620057. The reversal of 102011620012 is 210026110201.

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 3 ways as a sum of consecutive naturals, for example, 281838 + ... + 532405.

Almost surely, 2^102011620012 is an apocalyptic number.

It is an amenable number.

102011620012 is a deficient number, since it is larger than the sum of its proper divisors (76514633964).

102011620012 is a wasteful number, since it uses less digits than its factorization.

102011620012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845568 (or 845566 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102011620012 its reverse (210026110201), we get a palindrome (312037730213).

The spelling of 102011620012 in words is "one hundred two billion, eleven million, six hundred twenty thousand, twelve".