1022013212 has 24 divisors (see below), whose sum is σ = 1969025520. Its totient is φ = 460287360.

The previous prime is 1022013199. The next prime is 1022013217. The reversal of 1022013212 is 2123102201.

It is a happy number.

It is a super-2 number, since 2×1022013212² = 2089022011005113888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022013217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101753 + ... + 111344.

It is an arithmetic number, because the mean of its divisors is an integer number (82042730).

Almost surely, 2^1022013212 is an apocalyptic number.

It is an amenable number.

1022013212 is a deficient number, since it is larger than the sum of its proper divisors (947012308).

1022013212 is a wasteful number, since it uses less digits than its factorization.

1022013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213221 (or 213219 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1022013212 is about 31968.9413650186. The cubic root of 1022013212 is about 1007.2845439030.

Adding to 1022013212 its reverse (2123102201), we get a palindrome (3145115413).

It can be divided in two parts, 10220 and 13212, that added together give a palindrome (23432).

The spelling of 1022013212 in words is "one billion, twenty-two million, thirteen thousand, two hundred twelve".