1022102220212 has 12 divisors (see below), whose sum is σ = 1788698391396. Its totient is φ = 511045536960.

The previous prime is 1022102220197. The next prime is 1022102220239. The reversal of 1022102220212 is 2120222012201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 503523644836 + 518578575376 = 709594^2 + 720124^2 .

It is a congruent number.

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, 966089 + ... + 1725552.

It is an arithmetic number, because the mean of its divisors is an integer number (149058199283).

Almost surely, 2^{1022102220212} is an apocalyptic number.

It is an amenable number.

1022102220212 is a deficient number, since it is larger than the sum of its proper divisors (766596171184).

1022102220212 is a wasteful number, since it uses less digits than its factorization.

1022102220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786578 (or 2786576 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1022102220212 its reverse (2120222012201), we get a palindrome (3142324232413).

The spelling of 1022102220212 in words is "one trillion, twenty-two billion, one hundred two million, two hundred twenty thousand, two hundred twelve".