120121231298 has 8 divisors (see below), whose sum is σ = 181776376908. Its totient is φ = 59529105664.

The previous prime is 120121231297. The next prime is 120121231357. The reversal of 120121231298 is 892132121021.

It can be written as a sum of positive squares in 2 ways, for example, as 115007122129 + 5114109169 = 339127^2 + 71513^2 .

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

It is a super-2 number, since 2×120121231298² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120121231291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265754711 + ... + 265755162.

Almost surely, 2^120121231298 is an apocalyptic number.

120121231298 is a deficient number, since it is larger than the sum of its proper divisors (61655145610).

120121231298 is a wasteful number, since it uses less digits than its factorization.

120121231298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531509988.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 120121231298 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred thirty-one thousand, two hundred ninety-eight".