121312030022 has 8 divisors (see below), whose sum is σ = 192672047736. Its totient is φ = 57088014112.

The previous prime is 121312030019. The next prime is 121312030051. The reversal of 121312030022 is 220030213121.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1784000408 + ... + 1784000475.

It is an arithmetic number, because the mean of its divisors is an integer number (24084005967).

Almost surely, 2^121312030022 is an apocalyptic number.

121312030022 is a deficient number, since it is larger than the sum of its proper divisors (71360017714).

121312030022 is a wasteful number, since it uses less digits than its factorization.

121312030022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568000902.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121312030022 its reverse (220030213121), we get a palindrome (341342243143).

The spelling of 121312030022 in words is "one hundred twenty-one billion, three hundred twelve million, thirty thousand, twenty-two".