121030010123 has 8 divisors (see below), whose sum is σ = 132063995136. Its totient is φ = 110001234600.

The previous prime is 121030010113. The next prime is 121030010131. The reversal of 121030010123 is 321010030121.

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

It is a cyclic number.

It is not a de Polignac number, because 121030010123 - 2⁴ = 121030010107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121030010098 and 121030010107.

It is not an unprimeable number, because it can be changed into a prime (121030010113) 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, 1253711 + ... + 1346792.

It is an arithmetic number, because the mean of its divisors is an integer number (16507999392).

Almost surely, 2^121030010123 is an apocalyptic number.

121030010123 is a deficient number, since it is larger than the sum of its proper divisors (11033985013).

121030010123 is a wasteful number, since it uses less digits than its factorization.

121030010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604745.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121030010123 its reverse (321010030121), we get a palindrome (442040040244).

The spelling of 121030010123 in words is "one hundred twenty-one billion, thirty million, ten thousand, one hundred twenty-three".