1022121001012 has 24 divisors (see below), whose sum is σ = 1806951847680. Its totient is φ = 505874654880.

The previous prime is 1022121001007. The next prime is 1022121001079. The reversal of 1022121001012 is 2101001212201.

1022121001012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1022121000983 and 1022121001001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3041439 + ... + 3360742.

It is an arithmetic number, because the mean of its divisors is an integer number (75289660320).

Almost surely, 2^{1022121001012} is an apocalyptic number.

It is an amenable number.

1022121001012 is a deficient number, since it is larger than the sum of its proper divisors (784830846668).

1022121001012 is a wasteful number, since it uses less digits than its factorization.

1022121001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402591 (or 6402589 counting only the distinct ones).

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

Adding to 1022121001012 its reverse (2101001212201), we get a palindrome (3123122213213).

The spelling of 1022121001012 in words is "one trillion, twenty-two billion, one hundred twenty-one million, one thousand, twelve".