3120000123220 has 24 divisors (see below), whose sum is σ = 6552056965608. Its totient is φ = 1247989248000.

The previous prime is 3120000123179. The next prime is 3120000123241. The reversal of 3120000123220 is 223210000213.

It can be written as a sum of positive squares in 4 ways, for example, as 6229313476 + 3113770809744 = 78926^2 + 1764588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3120000123194 and 3120000123203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940740 + ... + 3163300.

It is an arithmetic number, because the mean of its divisors is an integer number (273002373567).

Almost surely, 2^{3120000123220} is an apocalyptic number.

It is an amenable number.

3120000123220 is an abundant number, since it is smaller than the sum of its proper divisors (3432056842388).

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

3120000123220 is a wasteful number, since it uses less digits than its factorization.

3120000123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350171 (or 1350169 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 3120000123220 its reverse (223210000213), we get a palindrome (3343210123433).

The spelling of 3120000123220 in words is "three trillion, one hundred twenty billion, one hundred twenty-three thousand, two hundred twenty".