2051217062012 has 24 divisors (see below), whose sum is σ = 3748114989360. Its totient is φ = 980988108800.

The previous prime is 2051217061967. The next prime is 2051217062017. The reversal of 2051217062012 is 2102607121502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051217062017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82617989 + ... + 82642812.

It is an arithmetic number, because the mean of its divisors is an integer number (156171457890).

Almost surely, 2^{2051217062012} is an apocalyptic number.

It is an amenable number.

2051217062012 is a deficient number, since it is larger than the sum of its proper divisors (1696897927348).

2051217062012 is a wasteful number, since it uses less digits than its factorization.

2051217062012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165260941 (or 165260939 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 2051217062012 in words is "two trillion, fifty-one billion, two hundred seventeen million, sixty-two thousand, twelve".