4431215132122 has 4 divisors (see below), whose sum is σ = 6646822698186. Its totient is φ = 2215607566060.

The previous prime is 4431215132117. The next prime is 4431215132129. The reversal of 4431215132122 is 2212315121344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3108482821921 + 1322732310201 = 1763089^2 + 1150101^2 .

It is not an unprimeable number, because it can be changed into a prime (4431215132129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107803783029 + ... + 1107803783032.

Almost surely, 2^{4431215132122} is an apocalyptic number.

4431215132122 is a deficient number, since it is larger than the sum of its proper divisors (2215607566064).

4431215132122 is a wasteful number, since it uses less digits than its factorization.

4431215132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215607566063.

The product of its digits is 11520, while the sum is 31.

The spelling of 4431215132122 in words is "four trillion, four hundred thirty-one billion, two hundred fifteen million, one hundred thirty-two thousand, one hundred twenty-two".