12011012101010 has 96 divisors (see below), whose sum is σ = 23463488084400. Its totient is φ = 4400675205120.

The previous prime is 12011012101009. The next prime is 12011012101057. The reversal of 12011012101010 is 1010121011021.

It can be written as a sum of positive squares in 8 ways, for example, as 544397535889 + 11466614565121 = 737833^2 + 3386239^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12011012100982 and 12011012101000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2053512566 + ... + 2053518414.

Almost surely, 2^{12011012101010} is an apocalyptic number.

12011012101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011012101010 is a deficient number, since it is larger than the sum of its proper divisors (11452475983390).

12011012101010 is a wasteful number, since it uses less digits than its factorization.

12011012101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684 (or 6493 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12011012101010 its reverse (1010121011021), we get a palindrome (13021133112031).

The spelling of 12011012101010 in words is "twelve trillion, eleven billion, twelve million, one hundred one thousand, ten".