121012233123 has 8 divisors (see below), whose sum is σ = 161599027968. Its totient is φ = 80550130184.

The previous prime is 121012233103. The next prime is 121012233137. The reversal of 121012233123 is 321332210121.

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 121012233123 - 2⁶ = 121012233059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121012233123.

It is not an unprimeable number, because it can be changed into a prime (121012233103) 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, 31170711 + ... + 31174592.

It is an arithmetic number, because the mean of its divisors is an integer number (20199878496).

Almost surely, 2^121012233123 is an apocalyptic number.

121012233123 is a deficient number, since it is larger than the sum of its proper divisors (40586794845).

121012233123 is an equidigital number, since it uses as much as digits as its factorization.

121012233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62345953.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121012233123 its reverse (321332210121), we get a palindrome (442344443244).

The spelling of 121012233123 in words is "one hundred twenty-one billion, twelve million, two hundred thirty-three thousand, one hundred twenty-three".