3123020121222 has 8 divisors (see below), whose sum is σ = 6246040242456. Its totient is φ = 1041006707072.

The previous prime is 3123020121127. The next prime is 3123020121227. The reversal of 3123020121222 is 2221210203213.

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

3123020121222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123020121227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260251676763 + ... + 260251676774.

It is an arithmetic number, because the mean of its divisors is an integer number (780755030307).

Almost surely, 2^{3123020121222} is an apocalyptic number.

3123020121222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3123020121222 is a wasteful number, since it uses less digits than its factorization.

3123020121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520503353542.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 3123020121222 its reverse (2221210203213), we get a palindrome (5344230324435).

The spelling of 3123020121222 in words is "three trillion, one hundred twenty-three billion, twenty million, one hundred twenty-one thousand, two hundred twenty-two".