212619662608 has 10 divisors (see below), whose sum is σ = 411950596334. Its totient is φ = 106309831296.

The previous prime is 212619662603. The next prime is 212619662617. The reversal of 212619662608 is 806266916212.

It can be written as a sum of positive squares in only one way, i.e., 206163218704 + 6456443904 = 454052^2 + 80352^2 .

It is not an unprimeable number, because it can be changed into a prime (212619662603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6644364441 + ... + 6644364472.

Almost surely, 2^212619662608 is an apocalyptic number.

It is an amenable number.

212619662608 is a deficient number, since it is larger than the sum of its proper divisors (199330933726).

212619662608 is a wasteful number, since it uses less digits than its factorization.

212619662608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13288728921 (or 13288728915 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

It can be divided in two parts, 21261 and 9662608, that added together give a palindrome (9683869).

The spelling of 212619662608 in words is "two hundred twelve billion, six hundred nineteen million, six hundred sixty-two thousand, six hundred eight".