12200121970 has 8 divisors (see below), whose sum is σ = 21960219564. Its totient is φ = 4880048784.

The previous prime is 12200121929. The next prime is 12200121971. The reversal of 12200121970 is 7912100221.

It can be written as a sum of positive squares in 2 ways, for example, as 10543387761 + 1656734209 = 102681^2 + 40703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12200121971) 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 3 ways as a sum of consecutive naturals, for example, 610006089 + ... + 610006108.

Almost surely, 2^12200121970 is an apocalyptic number.

12200121970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12200121970 is a deficient number, since it is larger than the sum of its proper divisors (9760097594).

12200121970 is a wasteful number, since it uses less digits than its factorization.

12200121970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220012204.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 12200121970 in words is "twelve billion, two hundred million, one hundred twenty-one thousand, nine hundred seventy".