3123211102002 has 12 divisors (see below), whose sum is σ = 6766957387710. Its totient is φ = 1041070367328.

The previous prime is 3123211101973. The next prime is 3123211102019. The reversal of 3123211102002 is 2002011123213.

3123211102002 is a `hidden beast` number, since 31 + 2 + 321 + 110 + 200 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3121684715241 + 1526386761 = 1766829^2 + 39069^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 173511727889 = 3123211102002 / (3 + 1 + 2 + 3 + 2 + 1 + 1 + 1 + 0 + 2 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86755863927 + ... + 86755863962.

Almost surely, 2^{3123211102002} is an apocalyptic number.

3123211102002 is an abundant number, since it is smaller than the sum of its proper divisors (3643746285708).

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

3123211102002 is a wasteful number, since it uses less digits than its factorization.

3123211102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173511727897 (or 173511727894 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3123211102002 its reverse (2002011123213), we get a palindrome (5125222225215).

The spelling of 3123211102002 in words is "three trillion, one hundred twenty-three billion, two hundred eleven million, one hundred two thousand, two".