2135211640012 has 24 divisors (see below), whose sum is σ = 4077043990992. Its totient is φ = 970376731200.

The previous prime is 2135211639989. The next prime is 2135211640021. The reversal of 2135211640012 is 2100461125312.

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, 4102003 + ... + 4593130.

It is an arithmetic number, because the mean of its divisors is an integer number (169876832958).

Almost surely, 2^{2135211640012} is an apocalyptic number.

2135211640012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2135211640012 is a deficient number, since it is larger than the sum of its proper divisors (1941832350980).

2135211640012 is a wasteful number, since it uses less digits than its factorization.

2135211640012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700729 (or 8700727 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 2135211640012 its reverse (2100461125312), we get a palindrome (4235672765324).

The spelling of 2135211640012 in words is "two trillion, one hundred thirty-five billion, two hundred eleven million, six hundred forty thousand, twelve".