1012201212312 has 48 divisors (see below), whose sum is σ = 2741575852080. Its totient is φ = 337376088000.

The previous prime is 1012201212299. The next prime is 1012201212359. The reversal of 1012201212312 is 2132121022101.

1012201212312 is a `hidden beast` number, since 10 + 1 + 220 + 121 + 2 + 312 = 666.

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

It is a congruent number.

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, 513562 + ... + 1512662.

It is an arithmetic number, because the mean of its divisors is an integer number (57116163585).

Almost surely, 2^{1012201212312} is an apocalyptic number.

1012201212312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012201212312 is an abundant number, since it is smaller than the sum of its proper divisors (1729374639768).

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

1012201212312 is a wasteful number, since it uses less digits than its factorization.

1012201212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013184 (or 1013177 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1012201212312 its reverse (2132121022101), we get a palindrome (3144322234413).

The spelling of 1012201212312 in words is "one trillion, twelve billion, two hundred one million, two hundred twelve thousand, three hundred twelve".