3121201220230 has 64 divisors (see below), whose sum is σ = 5943098843136. Its totient is φ = 1178290656000.

The previous prime is 3121201220201. The next prime is 3121201220231. The reversal of 3121201220230 is 320221021213.

It is a super-2 number, since 2×3121201220230² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3121201220198 and 3121201220207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121201220231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34411519 + ... + 34502101.

It is an arithmetic number, because the mean of its divisors is an integer number (92860919424).

Almost surely, 2^{3121201220230} is an apocalyptic number.

3121201220230 is a deficient number, since it is larger than the sum of its proper divisors (2821897622906).

3121201220230 is a wasteful number, since it uses less digits than its factorization.

3121201220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93373.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3121201220230 its reverse (320221021213), we get a palindrome (3441422241443).

The spelling of 3121201220230 in words is "three trillion, one hundred twenty-one billion, two hundred one million, two hundred twenty thousand, two hundred thirty".