120202001123 has 16 divisors (see below), whose sum is σ = 122980788000. Its totient is φ = 117457324800.

The previous prime is 120202001119. The next prime is 120202001131. The reversal of 120202001123 is 321100202021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120202001123 - 2² = 120202001119 is a prime.

It is a super-2 number, since 2×120202001123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120202001098 and 120202001107.

It is not an unprimeable number, because it can be changed into a prime (120202001113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8786933 + ... + 8800601.

It is an arithmetic number, because the mean of its divisors is an integer number (7686299250).

Almost surely, 2^120202001123 is an apocalyptic number.

120202001123 is a deficient number, since it is larger than the sum of its proper divisors (2778786877).

120202001123 is a wasteful number, since it uses less digits than its factorization.

120202001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14902.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120202001123 its reverse (321100202021), we get a palindrome (441302203144).

The spelling of 120202001123 in words is "one hundred twenty billion, two hundred two million, one thousand, one hundred twenty-three".