1221340074700 has 36 divisors (see below), whose sum is σ = 2655619309000. Its totient is φ = 487556979840.

The previous prime is 1221340074673. The next prime is 1221340074701. The reversal of 1221340074700 is 74700431221.

It is not an unprimeable number, because it can be changed into a prime (1221340074701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12187977 + ... + 12287776.

Almost surely, 2^{1221340074700} is an apocalyptic number.

1221340074700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1221340074700 is an abundant number, since it is smaller than the sum of its proper divisors (1434279234300).

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

1221340074700 is a wasteful number, since it uses less digits than its factorization.

1221340074700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24476266 (or 24476259 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The spelling of 1221340074700 in words is "one trillion, two hundred twenty-one billion, three hundred forty million, seventy-four thousand, seven hundred".