2012206233644 has 18 divisors (see below), whose sum is σ = 3549306598740. Its totient is φ = 998181013032.

The previous prime is 2012206233607. The next prime is 2012206233733. The reversal of 2012206233644 is 4463326022102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15530114 + ... + 15659145.

It is an arithmetic number, because the mean of its divisors is an integer number (197183699930).

Almost surely, 2^{2012206233644} is an apocalyptic number.

It is an amenable number.

2012206233644 is a deficient number, since it is larger than the sum of its proper divisors (1537100365096).

2012206233644 is a wasteful number, since it uses less digits than its factorization.

2012206233644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31189517 (or 31189388 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 2012206233644 in words is "two trillion, twelve billion, two hundred six million, two hundred thirty-three thousand, six hundred forty-four".