2012777213109 has 64 divisors (see below), whose sum is σ = 3005889868800. Its totient is φ = 1190028902400.

The previous prime is 2012777213101. The next prime is 2012777213119. The reversal of 2012777213109 is 9013127772102.

It is not a de Polignac number, because 2012777213109 - 2³ = 2012777213101 is a prime.

It is a super-2 number, since 2×2012777213109² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012777213101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49118389 + ... + 49159349.

It is an arithmetic number, because the mean of its divisors is an integer number (46967029200).

Almost surely, 2^{2012777213109} is an apocalyptic number.

It is an amenable number.

2012777213109 is a deficient number, since it is larger than the sum of its proper divisors (993112655691).

2012777213109 is a wasteful number, since it uses less digits than its factorization.

2012777213109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41486.

The product of its (nonzero) digits is 74088, while the sum is 42.

The spelling of 2012777213109 in words is "two trillion, twelve billion, seven hundred seventy-seven million, two hundred thirteen thousand, one hundred nine".