1012202113 has 4 divisors (see below), whose sum is σ = 1090063828. Its totient is φ = 934340400.

The previous prime is 1012202071. The next prime is 1012202119. The reversal of 1012202113 is 3112022101.

1012202113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 374538609 + 637663504 = 19353^2 + 25252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012202113 - 2⁹ = 1012201601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 77861701 = 1012202113 / (1 + 0 + 1 + 2 + 2 + 0 + 2 + 1 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012202093 and 1012202102.

It is not an unprimeable number, because it can be changed into a prime (1012202119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38930838 + ... + 38930863.

It is an arithmetic number, because the mean of its divisors is an integer number (272515957).

Almost surely, 2^1012202113 is an apocalyptic number.

1012202113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1012202113 is a deficient number, since it is larger than the sum of its proper divisors (77861715).

1012202113 is an equidigital number, since it uses as much as digits as its factorization.

1012202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77861714.

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

The square root of 1012202113 is about 31815.1239664409. The cubic root of 1012202113 is about 1004.0509387366.

Adding to 1012202113 its reverse (3112022101), we get a palindrome (4124224214).

The spelling of 1012202113 in words is "one billion, twelve million, two hundred two thousand, one hundred thirteen".