1021203012 has 48 divisors (see below), whose sum is σ = 2426191040. Its totient is φ = 334236672.

The previous prime is 1021202989. The next prime is 1021203047. The reversal of 1021203012 is 2103021201.

1021203012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269064 + ... + 272832.

Almost surely, 2^1021203012 is an apocalyptic number.

1021203012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021203012 is an abundant number, since it is smaller than the sum of its proper divisors (1404988028).

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

1021203012 is a wasteful number, since it uses less digits than its factorization.

1021203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180 (or 4178 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1021203012 is about 31956.2671787554. The cubic root of 1021203012 is about 1007.0182989147.

Adding to 1021203012 its reverse (2103021201), we get a palindrome (3124224213).

The spelling of 1021203012 in words is "one billion, twenty-one million, two hundred three thousand, twelve".