121323401230 has 16 divisors (see below), whose sum is σ = 229875918480. Its totient is φ = 45975183552.

The previous prime is 121323401219. The next prime is 121323401231. The reversal of 121323401230 is 32104323121.

It is a super-4 number, since 4×121323401230⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323401231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319271919 + ... + 319272298.

It is an arithmetic number, because the mean of its divisors is an integer number (14367244905).

Almost surely, 2^121323401230 is an apocalyptic number.

121323401230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121323401230 is a deficient number, since it is larger than the sum of its proper divisors (108552517250).

121323401230 is a wasteful number, since it uses less digits than its factorization.

121323401230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638544243.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121323401230 its reverse (32104323121), we get a palindrome (153427724351).

The spelling of 121323401230 in words is "one hundred twenty-one billion, three hundred twenty-three million, four hundred one thousand, two hundred thirty".