1212233303142 has 64 divisors (see below), whose sum is σ = 2700024062400. Its totient is φ = 403152664320.

The previous prime is 1212233303129. The next prime is 1212233303167. The reversal of 1212233303142 is 2413033322121.

1212233303142 is a `hidden beast` number, since 1 + 2 + 12 + 2 + 3 + 330 + 314 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68599084 + ... + 68616752.

It is an arithmetic number, because the mean of its divisors is an integer number (42187875975).

Almost surely, 2^{1212233303142} is an apocalyptic number.

1212233303142 is an abundant number, since it is smaller than the sum of its proper divisors (1487790759258).

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

1212233303142 is a wasteful number, since it uses less digits than its factorization.

1212233303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20518 (or 20512 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1212233303142 its reverse (2413033322121), we get a palindrome (3625266625263).

The spelling of 1212233303142 in words is "one trillion, two hundred twelve billion, two hundred thirty-three million, three hundred three thousand, one hundred forty-two".