2113201012 has 36 divisors (see below), whose sum is σ = 4008991980. Its totient is φ = 974218752.

The previous prime is 2113201009. The next prime is 2113201019. The reversal of 2113201012 is 2101023112.

It can be written as a sum of positive squares in 6 ways, for example, as 845413776 + 1267787236 = 29076^2 + 35606^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2113200983 and 2113201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113201019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1127308 + ... + 1129180.

Almost surely, 2^2113201012 is an apocalyptic number.

It is an amenable number.

2113201012 is a deficient number, since it is larger than the sum of its proper divisors (1895790968).

2113201012 is a wasteful number, since it uses less digits than its factorization.

2113201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572 (or 3557 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2113201012 is about 45969.5661497909. The cubic root of 2113201012 is about 1283.2568858643.

Adding to 2113201012 its reverse (2101023112), we get a palindrome (4214224124).

The spelling of 2113201012 in words is "two billion, one hundred thirteen million, two hundred one thousand, twelve".