1022012212 has 24 divisors (see below), whose sum is σ = 1944111456. Its totient is φ = 467287008.

The previous prime is 1022012203. The next prime is 1022012213. The reversal of 1022012212 is 2122102201.

It is a happy number.

It is a super-2 number, since 2×1022012212² = 2089017922954265888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1022012192 and 1022012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86278 + ... + 97405.

It is an arithmetic number, because the mean of its divisors is an integer number (81004644).

Almost surely, 2^1022012212 is an apocalyptic number.

It is an amenable number.

1022012212 is a deficient number, since it is larger than the sum of its proper divisors (922099244).

1022012212 is a wasteful number, since it uses less digits than its factorization.

1022012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183807 (or 183805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1022012212 is about 31968.9257248347. The cubic root of 1022012212 is about 1007.2842153734.

Adding to 1022012212 its reverse (2122102201), we get a palindrome (3144114413).

The spelling of 1022012212 in words is "one billion, twenty-two million, twelve thousand, two hundred twelve".