1012020200012 has 6 divisors (see below), whose sum is σ = 1771035350028. Its totient is φ = 506010100004.

The previous prime is 1012020199999. The next prime is 1012020200021. The reversal of 1012020200012 is 2100020202101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012020199966 and 1012020200002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126502524998 + ... + 126502525005.

It is an arithmetic number, because the mean of its divisors is an integer number (295172558338).

Almost surely, 2^{1012020200012} is an apocalyptic number.

It is an amenable number.

1012020200012 is a deficient number, since it is larger than the sum of its proper divisors (759015150016).

1012020200012 is a wasteful number, since it uses less digits than its factorization.

1012020200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253005050007 (or 253005050005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1012020200012 its reverse (2100020202101), we get a palindrome (3112040402113).

The spelling of 1012020200012 in words is "one trillion, twelve billion, twenty million, two hundred thousand, twelve".