1002211512 has 16 divisors (see below), whose sum is σ = 2505528840. Its totient is φ = 334070496.

The previous prime is 1002211451. The next prime is 1002211549. The reversal of 1002211512 is 2151122001.

It is a super-2 number, since 2×1002211512² = 2008855829570652288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002211491 and 1002211500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20879383 + ... + 20879430.

Almost surely, 2^1002211512 is an apocalyptic number.

1002211512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002211512 is an abundant number, since it is smaller than the sum of its proper divisors (1503317328).

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

1002211512 is a wasteful number, since it uses less digits than its factorization.

1002211512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41758822 (or 41758818 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1002211512 is about 31657.7243654688. The cubic root of 1002211512 is about 1000.7366279127.

Adding to 1002211512 its reverse (2151122001), we get a palindrome (3153333513).

The spelling of 1002211512 in words is "one billion, two million, two hundred eleven thousand, five hundred twelve".