1200102112012 has 6 divisors (see below), whose sum is σ = 2100178696028. Its totient is φ = 600051056004.

The previous prime is 1200102111973. The next prime is 1200102112051. The reversal of 1200102112012 is 2102112010021.

It is an interprime number because it is at equal distance from previous prime (1200102111973) and next prime (1200102112051).

It is a junction number, because it is equal to n+sod(n) for n = 1200102111983 and 1200102112001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150012763998 + ... + 150012764005.

Almost surely, 2^{1200102112012} is an apocalyptic number.

It is an amenable number.

1200102112012 is a deficient number, since it is larger than the sum of its proper divisors (900076584016).

1200102112012 is a wasteful number, since it uses less digits than its factorization.

1200102112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300025528007 (or 300025528005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200102112012 its reverse (2102112010021), we get a palindrome (3302214122033).

The spelling of 1200102112012 in words is "one trillion, two hundred billion, one hundred two million, one hundred twelve thousand, twelve".