1012213040 has 20 divisors (see below), whose sum is σ = 2353395504. Its totient is φ = 404885184.

The previous prime is 1012213021. The next prime is 1012213051. The reversal of 1012213040 is 403122101.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6326252 + ... + 6326411.

Almost surely, 2^1012213040 is an apocalyptic number.

1012213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012213040 is an abundant number, since it is smaller than the sum of its proper divisors (1341182464).

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

1012213040 is a wasteful number, since it uses less digits than its factorization.

1012213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12652676 (or 12652670 counting only the distinct ones).

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

The square root of 1012213040 is about 31815.2956924810. The cubic root of 1012213040 is about 1004.0545517255.

Adding to 1012213040 its reverse (403122101), we get a palindrome (1415335141).

The spelling of 1012213040 in words is "one billion, twelve million, two hundred thirteen thousand, forty".