121312133322 has 16 divisors (see below), whose sum is σ = 249181679712. Its totient is φ = 39344475600.

The previous prime is 121312133291. The next prime is 121312133333. The reversal of 121312133322 is 223331213121.

It is a super-2 number, since 2×121312133322² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121312133292 and 121312133301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273225304 + ... + 273225747.

It is an arithmetic number, because the mean of its divisors is an integer number (15573854982).

Almost surely, 2^121312133322 is an apocalyptic number.

121312133322 is an abundant number, since it is smaller than the sum of its proper divisors (127869546390).

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

121312133322 is a wasteful number, since it uses less digits than its factorization.

121312133322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546451093.

The product of its digits is 1296, while the sum is 24.

Adding to 121312133322 its reverse (223331213121), we get a palindrome (344643346443).

The spelling of 121312133322 in words is "one hundred twenty-one billion, three hundred twelve million, one hundred thirty-three thousand, three hundred twenty-two".