32001121312000 has 72 divisors (see below), whose sum is σ = 79718793408072. Its totient is φ = 12800448512000.

The previous prime is 32001121311989. The next prime is 32001121312037. The reversal of 32001121312000 is 21312110023.

It can be written as a sum of positive squares in 4 ways, for example, as 114590374144 + 31886530937856 = 338512^2 + 5646816^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499985521 + ... + 500049520.

It is an arithmetic number, because the mean of its divisors is an integer number (1107205464001).

Almost surely, 2^{32001121312000} is an apocalyptic number.

It is an amenable number.

32001121312000 is an abundant number, since it is smaller than the sum of its proper divisors (47717672096072).

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

32001121312000 is an equidigital number, since it uses as much as digits as its factorization.

32001121312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000035072 (or 1000035048 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 32001121312000 its reverse (21312110023), we get a palindrome (32022433422023).

The spelling of 32001121312000 in words is "thirty-two trillion, one billion, one hundred twenty-one million, three hundred twelve thousand".