1021131232032 has 96 divisors (see below), whose sum is σ = 2693938322880. Its totient is φ = 338667678720.

The previous prime is 1021131231977. The next prime is 1021131232063. The reversal of 1021131232032 is 2302321311201.

It is a tau number, because it is divible by the number of its divisors (96).

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, 126170578 + ... + 126178670.

It is an arithmetic number, because the mean of its divisors is an integer number (28061857530).

Almost surely, 2^{1021131232032} is an apocalyptic number.

1021131232032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021131232032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346969161440).

1021131232032 is an abundant number, since it is smaller than the sum of its proper divisors (1672807090848).

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

1021131232032 is a wasteful number, since it uses less digits than its factorization.

1021131232032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14546 (or 14538 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1021131232032 its reverse (2302321311201), we get a palindrome (3323452543233).

The spelling of 1021131232032 in words is "one trillion, twenty-one billion, one hundred thirty-one million, two hundred thirty-two thousand, thirty-two".