121023313212303 has 16 divisors (see below), whose sum is σ = 179294015172960. Its totient is φ = 80682110788608.

The previous prime is 121023313212287. The next prime is 121023313212313. The reversal of 121023313212303 is 303212313320121.

121023313212303 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 2 + 3 + 31 + 321 + 2 + 303 = 666.

It is not a de Polignac number, because 121023313212303 - 2⁴ = 121023313212287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121023313212313) 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, 25071951 + ... + 29506767.

It is an arithmetic number, because the mean of its divisors is an integer number (11205875948310).

Almost surely, 2^{121023313212303} is an apocalyptic number.

121023313212303 is a deficient number, since it is larger than the sum of its proper divisors (58270701960657).

121023313212303 is a wasteful number, since it uses less digits than its factorization.

121023313212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445543 (or 5445537 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 121023313212303 its reverse (303212313320121), we get a palindrome (424235626532424).

The spelling of 121023313212303 in words is "one hundred twenty-one trillion, twenty-three billion, three hundred thirteen million, two hundred twelve thousand, three hundred three".