1021432001232 has 20 divisors (see below), whose sum is σ = 2638699336640. Its totient is φ = 340477333728.

The previous prime is 1021432001221. The next prime is 1021432001279. The reversal of 1021432001232 is 2321002341201.

It is a junction number, because it is equal to n+sod(n) for n = 1021432001199 and 1021432001208.

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, 10639916632 + ... + 10639916727.

It is an arithmetic number, because the mean of its divisors is an integer number (131934966832).

Almost surely, 2^{1021432001232} is an apocalyptic number.

1021432001232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021432001232 is an abundant number, since it is smaller than the sum of its proper divisors (1617267335408).

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

1021432001232 is a wasteful number, since it uses less digits than its factorization.

1021432001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21279833370 (or 21279833364 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1021432001232 its reverse (2321002341201), we get a palindrome (3342434342433).

The spelling of 1021432001232 in words is "one trillion, twenty-one billion, four hundred thirty-two million, one thousand, two hundred thirty-two".