212440013214442 has 8 divisors (see below), whose sum is σ = 343172329038756. Its totient is φ = 98049236868192.

The previous prime is 212440013214437. The next prime is 212440013214487. The reversal of 212440013214442 is 244412310044212.

It can be written as a sum of positive squares in 2 ways, for example, as 156931716963121 + 55508296251321 = 12527239^2 + 7450389^2 .

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 = 212440013214398 and 212440013214407.

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, 4085384869483 + ... + 4085384869534.

Almost surely, 2^{212440013214442} is an apocalyptic number.

212440013214442 is a deficient number, since it is larger than the sum of its proper divisors (130732315824314).

212440013214442 is a wasteful number, since it uses less digits than its factorization.

212440013214442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8170769739032.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 212440013214442 its reverse (244412310044212), we get a palindrome (456852323258654).

The spelling of 212440013214442 in words is "two hundred twelve trillion, four hundred forty billion, thirteen million, two hundred fourteen thousand, four hundred forty-two".