1031223012012 has 36 divisors (see below), whose sum is σ = 2690789797696. Its totient is φ = 332652584160.

The previous prime is 1031223011993. The next prime is 1031223012041. The reversal of 1031223012012 is 2102103221301.

1031223012012 is a `hidden beast` number, since 1 + 0 + 312 + 230 + 120 + 1 + 2 = 666.

1031223012012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462016363 + ... + 462018594.

Almost surely, 2^{1031223012012} is an apocalyptic number.

1031223012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031223012012 is an abundant number, since it is smaller than the sum of its proper divisors (1659566785684).

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

1031223012012 is a wasteful number, since it uses less digits than its factorization.

1031223012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924034998 (or 924034993 counting only the distinct ones).

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

Adding to 1031223012012 its reverse (2102103221301), we get a palindrome (3133326233313).

The spelling of 1031223012012 in words is "one trillion, thirty-one billion, two hundred twenty-three million, twelve thousand, twelve".