1021211212012 has 12 divisors (see below), whose sum is σ = 1787557776480. Its totient is φ = 510480418736.

The previous prime is 1021211211973. The next prime is 1021211212027. The reversal of 1021211212012 is 2102121121201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31278463 + ... + 31311094.

It is an arithmetic number, because the mean of its divisors is an integer number (148963148040).

Almost surely, 2^{1021211212012} is an apocalyptic number.

It is an amenable number.

1021211212012 is a deficient number, since it is larger than the sum of its proper divisors (766346564468).

1021211212012 is a wasteful number, since it uses less digits than its factorization.

1021211212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62593640 (or 62593638 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021211212012 its reverse (2102121121201), we get a palindrome (3123332333213).

It can be divided in two parts, 102121121201 and 2, that multiplied together give a palindrome (204242242402).

The spelling of 1021211212012 in words is "one trillion, twenty-one billion, two hundred eleven million, two hundred twelve thousand, twelve".