1012343440212 has 36 divisors (see below), whose sum is σ = 2755823810740. Its totient is φ = 311490289152.

The previous prime is 1012343440201. The next prime is 1012343440219. The reversal of 1012343440212 is 2120443432101.

1012343440212 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 3 + 4 + 3 + 440 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 405916797456 + 606426642756 = 637116^2 + 778734^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012343440219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1081563037 + ... + 1081563972.

Almost surely, 2^{1012343440212} is an apocalyptic number.

1012343440212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012343440212 is an abundant number, since it is smaller than the sum of its proper divisors (1743480370528).

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

1012343440212 is a wasteful number, since it uses less digits than its factorization.

1012343440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163127032 (or 2163127027 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1012343440212 its reverse (2120443432101), we get a palindrome (3132786872313).

The spelling of 1012343440212 in words is "one trillion, twelve billion, three hundred forty-three million, four hundred forty thousand, two hundred twelve".