357121310212 has 6 divisors (see below), whose sum is σ = 624962292878. Its totient is φ = 178560655104.

The previous prime is 357121310197. The next prime is 357121310243. The reversal of 357121310212 is 212013121753.

It can be written as a sum of positive squares in only one way, i.e., 256799616516 + 100321693696 = 506754^2 + 316736^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44640163773 + ... + 44640163780.

Almost surely, 2^357121310212 is an apocalyptic number.

It is an amenable number.

357121310212 is a deficient number, since it is larger than the sum of its proper divisors (267840982666).

357121310212 is a wasteful number, since it uses less digits than its factorization.

357121310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89280327557 (or 89280327555 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 357121310212 its reverse (212013121753), we get a palindrome (569134431965).

The spelling of 357121310212 in words is "three hundred fifty-seven billion, one hundred twenty-one million, three hundred ten thousand, two hundred twelve".