12013001010 has 48 divisors (see below), whose sum is σ = 31432781016. Its totient is φ = 3183058944.

The previous prime is 12013001003. The next prime is 12013001029. The reversal of 12013001010 is 1010031021.

It can be written as a sum of positive squares in 4 ways, for example, as 11413289889 + 599711121 = 106833^2 + 24489^2 .

It is a super-2 number, since 2×12013001010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12013000983 and 12013001001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410959 + ... + 439218.

Almost surely, 2^12013001010 is an apocalyptic number.

12013001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12013001010 is an abundant number, since it is smaller than the sum of its proper divisors (19419780006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12013001010 is a wasteful number, since it uses less digits than its factorization.

12013001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850347 (or 850344 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 12013001010 its reverse (1010031021), we get a palindrome (13023032031).

The spelling of 12013001010 in words is "twelve billion, thirteen million, one thousand, ten".