121232131222 has 8 divisors (see below), whose sum is σ = 188118824400. Its totient is φ = 58525856424.

The previous prime is 121232131211. The next prime is 121232131357. The reversal of 121232131222 is 222131232121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121232131193 and 121232131202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045104522 + ... + 1045104637.

It is an arithmetic number, because the mean of its divisors is an integer number (23514853050).

Almost surely, 2^121232131222 is an apocalyptic number.

121232131222 is a deficient number, since it is larger than the sum of its proper divisors (66886693178).

121232131222 is a wasteful number, since it uses less digits than its factorization.

121232131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090209190.

The product of its digits is 576, while the sum is 22.

Adding to 121232131222 its reverse (222131232121), we get a palindrome (343363363343).

The spelling of 121232131222 in words is "one hundred twenty-one billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred twenty-two".