1202011013 has 12 divisors (see below), whose sum is σ = 1400799852. Its totient is φ = 1028422080.

The previous prime is 1202010989. The next prime is 1202011033. The reversal of 1202011013 is 3101102021.

It can be written as a sum of positive squares in 2 ways, for example, as 350363524 + 851647489 = 18718^2 + 29183^2 .

It is not a de Polignac number, because 1202011013 - 2¹² = 1202006917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202010985 and 1202011003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202011033) 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, 5273 + ... + 49313.

It is an arithmetic number, because the mean of its divisors is an integer number (116733321).

Almost surely, 2^1202011013 is an apocalyptic number.

It is an amenable number.

1202011013 is a deficient number, since it is larger than the sum of its proper divisors (198788839).

1202011013 is an equidigital number, since it uses as much as digits as its factorization.

1202011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44612 (or 44605 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1202011013 is about 34670.0304730180. The cubic root of 1202011013 is about 1063.2518546094.

Adding to 1202011013 its reverse (3101102021), we get a palindrome (4303113034).

The spelling of 1202011013 in words is "one billion, two hundred two million, eleven thousand, thirteen".