1113211012 has 12 divisors (see below), whose sum is σ = 1960528780. Its totient is φ = 553059936.

The previous prime is 1113211009. The next prime is 1113211013. The reversal of 1113211012 is 2101123111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 544102276 + 569108736 = 23326^2 + 23856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1113210983 and 1113211001.

It is not an unprimeable number, because it can be changed into a prime (1113211013) 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, 885687 + ... + 886942.

Almost surely, 2^1113211012 is an apocalyptic number.

It is an amenable number.

1113211012 is a deficient number, since it is larger than the sum of its proper divisors (847317768).

1113211012 is a wasteful number, since it uses less digits than its factorization.

1113211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772790 (or 1772788 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1113211012 is about 33364.8169783681. The cubic root of 1113211012 is about 1036.3962460644.

Adding to 1113211012 its reverse (2101123111), we get a palindrome (3214334123).

It can be divided in two parts, 111 and 3211012, that added together give a palindrome (3211123).

The spelling of 1113211012 in words is "one billion, one hundred thirteen million, two hundred eleven thousand, twelve".