1001011012 has 12 divisors (see below), whose sum is σ = 1763371456. Its totient is φ = 497190600.

The previous prime is 1001011007. The next prime is 1001011019. The reversal of 1001011012 is 2101101001.

It is a super-2 number, since 2×1001011012² = 2004046092290528288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001010986 and 1001011004.

It is not an unprimeable number, because it can be changed into a prime (1001011019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828048 + ... + 829255.

Almost surely, 2^1001011012 is an apocalyptic number.

It is an amenable number.

1001011012 is a deficient number, since it is larger than the sum of its proper divisors (762360444).

1001011012 is a wasteful number, since it uses less digits than its factorization.

1001011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657458 (or 1657456 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1001011012 is about 31638.7580666498. The cubic root of 1001011012 is about 1000.3368904921.

Adding to 1001011012 its reverse (2101101001), we get a palindrome (3102112013).

The spelling of 1001011012 in words is "one billion, one million, eleven thousand, twelve".