1000550012 has 72 divisors (see below), whose sum is σ = 2229580080. Its totient is φ = 388496640.

The previous prime is 1000550003. The next prime is 1000550027. The reversal of 1000550012 is 2100550001.

It is a super-2 number, since 2×1000550012² = 2002200653026400288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 838088 + ... + 839280.

It is an arithmetic number, because the mean of its divisors is an integer number (30966390).

Almost surely, 2^1000550012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000550012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1114790040).

1000550012 is an abundant number, since it is smaller than the sum of its proper divisors (1229030068).

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

1000550012 is a wasteful number, since it uses less digits than its factorization.

1000550012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 1000550012 is about 31631.4718595262. The cubic root of 1000550012 is about 1000.1833037310.

The spelling of 1000550012 in words is "one billion, five hundred fifty thousand, twelve".