120121200123 has 8 divisors (see below), whose sum is σ = 160590989328. Its totient is φ = 79866105504.

The previous prime is 120121200107. The next prime is 120121200127. The reversal of 120121200123 is 321002121021.

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

It is not a de Polignac number, because 120121200123 - 2⁴ = 120121200107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120121200127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53672340 + ... + 53674577.

It is an arithmetic number, because the mean of its divisors is an integer number (20073873666).

Almost surely, 2^120121200123 is an apocalyptic number.

120121200123 is a deficient number, since it is larger than the sum of its proper divisors (40469789205).

120121200123 is a wasteful number, since it uses less digits than its factorization.

120121200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107347293.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120121200123 its reverse (321002121021), we get a palindrome (441123321144).

The spelling of 120121200123 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred thousand, one hundred twenty-three".