1012220292 has 24 divisors (see below), whose sum is σ = 2443291200. Its totient is φ = 325771936.

The previous prime is 1012220267. The next prime is 1012220327. The reversal of 1012220292 is 2920222101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453992 + ... + 1454687.

It is an arithmetic number, because the mean of its divisors is an integer number (101803800).

Almost surely, 2^1012220292 is an apocalyptic number.

1012220292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012220292 is an abundant number, since it is smaller than the sum of its proper divisors (1431070908).

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

1012220292 is a wasteful number, since it uses less digits than its factorization.

1012220292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908715 (or 2908713 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1012220292 is about 31815.4096626147. The cubic root of 1012220292 is about 1004.0569495693.

Adding to 1012220292 its reverse (2920222101), we get a palindrome (3932442393).

The spelling of 1012220292 in words is "one billion, twelve million, two hundred twenty thousand, two hundred ninety-two".