1202997233644 has 18 divisors (see below), whose sum is σ = 2216065149620. Its totient is φ = 569836265616.

The previous prime is 1202997233621. The next prime is 1202997233653. The reversal of 1202997233644 is 4463327992021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202997233591 and 1202997233600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9498882 + ... + 9624694.

Almost surely, 2^{1202997233644} is an apocalyptic number.

It is an amenable number.

1202997233644 is a deficient number, since it is larger than the sum of its proper divisors (1013067915976).

1202997233644 is an frugal number, since it uses more digits than its factorization.

1202997233644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251649 (or 125834 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 1202997233644 in words is "one trillion, two hundred two billion, nine hundred ninety-seven million, two hundred thirty-three thousand, six hundred forty-four".