1012201012012 has 6 divisors (see below), whose sum is σ = 1771351771028. Its totient is φ = 506100506004.

The previous prime is 1012201011979. The next prime is 1012201012013. The reversal of 1012201012012 is 2102101022101.

It is a junction number, because it is equal to n+sod(n) for n = 1012201011983 and 1012201012001.

It is not an unprimeable number, because it can be changed into a prime (1012201012013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126525126498 + ... + 126525126505.

Almost surely, 2^{1012201012012} is an apocalyptic number.

It is an amenable number.

1012201012012 is a deficient number, since it is larger than the sum of its proper divisors (759150759016).

1012201012012 is a wasteful number, since it uses less digits than its factorization.

1012201012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253050253007 (or 253050253005 counting only the distinct ones).

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

Adding to 1012201012012 its reverse (2102101022101), we get a palindrome (3114302034113).

The spelling of 1012201012012 in words is "one trillion, twelve billion, two hundred one million, twelve thousand, twelve".