121230022132 has 12 divisors (see below), whose sum is σ = 215630449636. Its totient is φ = 59621322240.

The previous prime is 121230022099. The next prime is 121230022153. The reversal of 121230022132 is 231220032121.

It can be written as a sum of positive squares in 2 ways, for example, as 2863748196 + 118366273936 = 53514^2 + 344044^2 .

It is a super-2 number, since 2×121230022132² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248421933 + ... + 248422420.

Almost surely, 2^121230022132 is an apocalyptic number.

It is an amenable number.

121230022132 is a deficient number, since it is larger than the sum of its proper divisors (94400427504).

121230022132 is a wasteful number, since it uses less digits than its factorization.

121230022132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496844418 (or 496844416 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121230022132 its reverse (231220032121), we get a palindrome (352450054253).

The spelling of 121230022132 in words is "one hundred twenty-one billion, two hundred thirty million, twenty-two thousand, one hundred thirty-two".