1001304012 has 48 divisors (see below), whose sum is σ = 2510766720. Its totient is φ = 309441792.

The previous prime is 1001303969. The next prime is 1001304043. The reversal of 1001304012 is 2104031001.

It is a happy number.

It is a super-2 number, since 2×1001304012² = 2005219448894592288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 22962 + ... + 50297.

It is an arithmetic number, because the mean of its divisors is an integer number (52307640).

Almost surely, 2^1001304012 is an apocalyptic number.

1001304012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001304012 is an abundant number, since it is smaller than the sum of its proper divisors (1509462708).

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

1001304012 is a wasteful number, since it uses less digits than its factorization.

1001304012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73350 (or 73348 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1001304012 is about 31643.3881245356. The cubic root of 1001304012 is about 1000.4344818648.

Adding to 1001304012 its reverse (2104031001), we get a palindrome (3105335013).

The spelling of 1001304012 in words is "one billion, one million, three hundred four thousand, twelve".