1023240244212 has 72 divisors (see below), whose sum is σ = 2591821569792. Its totient is φ = 340381958400.

The previous prime is 1023240244199. The next prime is 1023240244267. The reversal of 1023240244212 is 2124420423201.

It is a happy number.

1023240244212 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 2 + 402 + 44 + 212 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64914412 + ... + 64930172.

Almost surely, 2^{1023240244212} is an apocalyptic number.

1023240244212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023240244212 is an abundant number, since it is smaller than the sum of its proper divisors (1568581325580).

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

1023240244212 is a wasteful number, since it uses less digits than its factorization.

1023240244212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19349 (or 19344 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1023240244212 its reverse (2124420423201), we get a palindrome (3147660667413).

The spelling of 1023240244212 in words is "one trillion, twenty-three billion, two hundred forty million, two hundred forty-four thousand, two hundred twelve".