121302222120 has 96 divisors (see below), whose sum is σ = 414981309600. Its totient is φ = 30644770176.

The previous prime is 121302222061. The next prime is 121302222149. The reversal of 121302222120 is 21222203121.

121302222120 is a `hidden beast` number, since 1 + 21 + 302 + 222 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121302222093 and 121302222102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8860282 + ... + 8873961.

It is an arithmetic number, because the mean of its divisors is an integer number (4322721975).

Almost surely, 2^121302222120 is an apocalyptic number.

121302222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121302222120 is an abundant number, since it is smaller than the sum of its proper divisors (293679087480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121302222120 is a wasteful number, since it uses less digits than its factorization.

121302222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17734279 (or 17734272 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121302222120 its reverse (21222203121), we get a palindrome (142524425241).

The spelling of 121302222120 in words is "one hundred twenty-one billion, three hundred two million, two hundred twenty-two thousand, one hundred twenty".