1011002012 has 12 divisors (see below), whose sum is σ = 1771871640. Its totient is φ = 504752976.

The previous prime is 1011001987. The next prime is 1011002029. The reversal of 1011002012 is 2102001101.

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, 183962 + ... + 189377.

It is an arithmetic number, because the mean of its divisors is an integer number (147655970).

Almost surely, 2^1011002012 is an apocalyptic number.

It is an amenable number.

1011002012 is a deficient number, since it is larger than the sum of its proper divisors (760869628).

1011002012 is a wasteful number, since it uses less digits than its factorization.

1011002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374020 (or 374018 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1011002012 is about 31796.2578301284. The cubic root of 1011002012 is about 1003.6539695777.

Adding to 1011002012 its reverse (2102001101), we get a palindrome (3113003113).

The spelling of 1011002012 in words is "one billion, eleven million, two thousand, twelve".