2101640461012 has 12 divisors (see below), whose sum is σ = 3747264595956. Its totient is φ = 1030993433600.

The previous prime is 2101640461003. The next prime is 2101640461027.

2101640461012 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 1524839704336 + 576800756676 = 1234844^2 + 759474^2 .

It is a super-3 number, since 3×2101640461012³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4956698989 + ... + 4956699412.

It is an arithmetic number, because the mean of its divisors is an integer number (312272049663).

Almost surely, 2^{2101640461012} is an apocalyptic number.

It is an amenable number.

2101640461012 is a deficient number, since it is larger than the sum of its proper divisors (1645624134944).

2101640461012 is a wasteful number, since it uses less digits than its factorization.

2101640461012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913398458 (or 9913398456 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

It can be divided in two parts, 2101640 and 461012, that added together give a palindrome (2562652).

The spelling of 2101640461012 in words is "two trillion, one hundred one billion, six hundred forty million, four hundred sixty-one thousand, twelve".