1021132012 has 12 divisors (see below), whose sum is σ = 1864676016. Its totient is φ = 488367440.

The previous prime is 1021131961. The next prime is 1021132027. The reversal of 1021132012 is 2102311201.

It is a junction number, because it is equal to n+sod(n) for n = 1021131983 and 1021132001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5549539 + ... + 5549722.

It is an arithmetic number, because the mean of its divisors is an integer number (155389668).

Almost surely, 2^1021132012 is an apocalyptic number.

It is an amenable number.

1021132012 is a deficient number, since it is larger than the sum of its proper divisors (843544004).

1021132012 is a wasteful number, since it uses less digits than its factorization.

1021132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11099288 (or 11099286 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1021132012 is about 31955.1562662429. The cubic root of 1021132012 is about 1006.9949604418.

Adding to 1021132012 its reverse (2102311201), we get a palindrome (3123443213).

The spelling of 1021132012 in words is "one billion, twenty-one million, one hundred thirty-two thousand, twelve".