1022102312 has 64 divisors (see below), whose sum is σ = 2429913600. Its totient is φ = 391458240.

The previous prime is 1022102309. The next prime is 1022102329. The reversal of 1022102312 is 2132012201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22283 + ... + 50405.

It is an arithmetic number, because the mean of its divisors is an integer number (37967400).

Almost surely, 2^1022102312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022102312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214956800).

1022102312 is an abundant number, since it is smaller than the sum of its proper divisors (1407811288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022102312 is a wasteful number, since it uses less digits than its factorization.

1022102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28206 (or 28202 counting only the distinct ones).

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

The square root of 1022102312 is about 31970.3348746928. The cubic root of 1022102312 is about 1007.3138150331.

Adding to 1022102312 its reverse (2132012201), we get a palindrome (3154114513).

The spelling of 1022102312 in words is "one billion, twenty-two million, one hundred two thousand, three hundred twelve".