1011021200012 has 6 divisors (see below), whose sum is σ = 1769287100028. Its totient is φ = 505510600004.

The previous prime is 1011021200009. The next prime is 1011021200027. The reversal of 1011021200012 is 2100021201101.

It is a junction number, because it is equal to n+sod(n) for n = 1011021199966 and 1011021200002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126377649998 + ... + 126377650005.

It is an arithmetic number, because the mean of its divisors is an integer number (294881183338).

Almost surely, 2^{1011021200012} is an apocalyptic number.

It is an amenable number.

1011021200012 is a deficient number, since it is larger than the sum of its proper divisors (758265900016).

1011021200012 is a wasteful number, since it uses less digits than its factorization.

1011021200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252755300007 (or 252755300005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011021200012 its reverse (2100021201101), we get a palindrome (3111042401113).

The spelling of 1011021200012 in words is "one trillion, eleven billion, twenty-one million, two hundred thousand, twelve".