1012321032012 has 96 divisors (see below), whose sum is σ = 2630765544960. Its totient is φ = 336640328640.

The previous prime is 1012321031993. The next prime is 1012321032013. The reversal of 1012321032012 is 2102301232101.

1012321032012 is a `hidden beast` number, since 1 + 0 + 12 + 321 + 0 + 320 + 12 = 666.

1012321032012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1012321032013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93013123 + ... + 93024005.

It is an arithmetic number, because the mean of its divisors is an integer number (27403807760).

Almost surely, 2^{1012321032012} is an apocalyptic number.

1012321032012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012321032012 is an abundant number, since it is smaller than the sum of its proper divisors (1618444512948).

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

1012321032012 is a wasteful number, since it uses less digits than its factorization.

1012321032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12860 (or 12852 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1012321032012 its reverse (2102301232101), we get a palindrome (3114622264113).

The spelling of 1012321032012 in words is "one trillion, twelve billion, three hundred twenty-one million, thirty-two thousand, twelve".