3215023040000 has 100 divisors (see below), whose sum is σ = 8027139714924. Its totient is φ = 1286009088000.

The previous prime is 3215023039999. The next prime is 3215023040017. The reversal of 3215023040000 is 403205123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4703474 + ... + 5343473.

Almost surely, 2^{3215023040000} is an apocalyptic number.

It is an amenable number.

3215023040000 is an abundant number, since it is smaller than the sum of its proper divisors (4812116674924).

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

3215023040000 is an frugal number, since it uses more digits than its factorization.

3215023040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10046985 (or 10046954 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 3215023040000 its reverse (403205123), we get a palindrome (3215426245123).

The spelling of 3215023040000 in words is "three trillion, two hundred fifteen billion, twenty-three million, forty thousand".