1012211212 has 12 divisors (see below), whose sum is σ = 1875567960. Its totient is φ = 476334656.

The previous prime is 1012211197. The next prime is 1012211227. The reversal of 1012211212 is 2121122101.

It is an interprime number because it is at equal distance from previous prime (1012211197) and next prime (1012211227).

It is a junction number, because it is equal to n+sod(n) for n = 1012211192 and 1012211201.

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, 7442662 + ... + 7442797.

It is an arithmetic number, because the mean of its divisors is an integer number (156297330).

Almost surely, 2^1012211212 is an apocalyptic number.

It is an amenable number.

1012211212 is a deficient number, since it is larger than the sum of its proper divisors (863356748).

1012211212 is a wasteful number, since it uses less digits than its factorization.

1012211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14885480 (or 14885478 counting only the distinct ones).

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

The square root of 1012211212 is about 31815.2669641479. The cubic root of 1012211212 is about 1004.0539473031.

Adding to 1012211212 its reverse (2121122101), we get a palindrome (3133333313).

The spelling of 1012211212 in words is "one billion, twelve million, two hundred eleven thousand, two hundred twelve".