1021401430212 has 48 divisors (see below), whose sum is σ = 2413594050560. Its totient is φ = 336135694752.

The previous prime is 1021401430193. The next prime is 1021401430237. The reversal of 1021401430212 is 2120341041201.

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 15 ways as a sum of consecutive naturals, for example, 21939063 + ... + 21985569.

Almost surely, 2^{1021401430212} is an apocalyptic number.

1021401430212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021401430212 is an abundant number, since it is smaller than the sum of its proper divisors (1392192620348).

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

1021401430212 is a wasteful number, since it uses less digits than its factorization.

1021401430212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69760 (or 69758 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1021401430212 its reverse (2120341041201), we get a palindrome (3141742471413).

The spelling of 1021401430212 in words is "one trillion, twenty-one billion, four hundred one million, four hundred thirty thousand, two hundred twelve".