1021300000032 has 48 divisors (see below), whose sum is σ = 2887136542080. Its totient is φ = 314246153472.

The previous prime is 1021299999983. The next prime is 1021300000033. The reversal of 1021300000032 is 2300000031201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a junction number, because it is equal to n+sod(n) for n = 1021299999963 and 1021300000017.

It is not an unprimeable number, because it can be changed into a prime (1021300000033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409173432 + ... + 409175927.

It is an arithmetic number, because the mean of its divisors is an integer number (60148677960).

Almost surely, 2^{1021300000032} is an apocalyptic number.

1021300000032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021300000032 is an abundant number, since it is smaller than the sum of its proper divisors (1865836542048).

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

1021300000032 is a wasteful number, since it uses less digits than its factorization.

1021300000032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818349385 (or 818349377 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1021300000032 its reverse (2300000031201), we get a palindrome (3321300031233).

The spelling of 1021300000032 in words is "one trillion, twenty-one billion, three hundred million, thirty-two", and thus it is an aban number.