3902120021222 has 8 divisors (see below), whose sum is σ = 5853608281200. Its totient is φ = 1950917260824.

The previous prime is 3902120021203. The next prime is 3902120021243. The reversal of 3902120021222 is 2221200212093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3902120021191 and 3902120021200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71340722 + ... + 71395397.

It is an arithmetic number, because the mean of its divisors is an integer number (731701035150).

Almost surely, 2^{3902120021222} is an apocalyptic number.

3902120021222 is a deficient number, since it is larger than the sum of its proper divisors (1951488259978).

3902120021222 is a wasteful number, since it uses less digits than its factorization.

3902120021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142749790.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 3902120021222 in words is "three trillion, nine hundred two billion, one hundred twenty million, twenty-one thousand, two hundred twenty-two".