121312020122 has 8 divisors (see below), whose sum is σ = 184683971136. Its totient is φ = 59750696412.

The previous prime is 121312020121. The next prime is 121312020131. The reversal of 121312020122 is 221020213121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121312020122.

It is not an unprimeable number, because it can be changed into a prime (121312020121) 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, 452656658 + ... + 452656925.

It is an arithmetic number, because the mean of its divisors is an integer number (23085496392).

Almost surely, 2^121312020122 is an apocalyptic number.

121312020122 is a deficient number, since it is larger than the sum of its proper divisors (63371951014).

121312020122 is an equidigital number, since it uses as much as digits as its factorization.

121312020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905313652.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121312020122 its reverse (221020213121), we get a palindrome (342332233243).

The spelling of 121312020122 in words is "one hundred twenty-one billion, three hundred twelve million, twenty thousand, one hundred twenty-two".