2136602123212 has 24 divisors (see below), whose sum is σ = 3961440574560. Its totient is φ = 1004839499520.

The previous prime is 2136602123209. The next prime is 2136602123273. The reversal of 2136602123212 is 2123212066312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9581512 + ... + 9801967.

It is an arithmetic number, because the mean of its divisors is an integer number (165060023940).

Almost surely, 2^{2136602123212} is an apocalyptic number.

It is an amenable number.

2136602123212 is a deficient number, since it is larger than the sum of its proper divisors (1824838451348).

2136602123212 is a wasteful number, since it uses less digits than its factorization.

2136602123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19385121 (or 19385119 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 2136602123212 its reverse (2123212066312), we get a palindrome (4259814189524).

The spelling of 2136602123212 in words is "two trillion, one hundred thirty-six billion, six hundred two million, one hundred twenty-three thousand, two hundred twelve".