1013511012 has 24 divisors (see below), whose sum is σ = 2385790176. Its totient is φ = 334846848.

The previous prime is 1013510969. The next prime is 1013511019. The reversal of 1013511012 is 2101153101.

It is a junction number, because it is equal to n+sod(n) for n = 1013510982 and 1013511000.

It is not an unprimeable number, because it can be changed into a prime (1013511019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372358 + ... + 375069.

It is an arithmetic number, because the mean of its divisors is an integer number (99407924).

Almost surely, 2^1013511012 is an apocalyptic number.

1013511012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1013511012 is an abundant number, since it is smaller than the sum of its proper divisors (1372279164).

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

1013511012 is a wasteful number, since it uses less digits than its factorization.

1013511012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747547 (or 747545 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1013511012 is about 31835.6877104924. The cubic root of 1013511012 is about 1004.4835385063.

Adding to 1013511012 its reverse (2101153101), we get a palindrome (3114664113).

The spelling of 1013511012 in words is "one billion, thirteen million, five hundred eleven thousand, twelve".