12201970 has 16 divisors (see below), whose sum is σ = 23960448. Its totient is φ = 4437040.

The previous prime is 12201961. The next prime is 12201991. The reversal of 12201970 is 7910221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55354 + ... + 55573.

It is an arithmetic number, because the mean of its divisors is an integer number (1497528).

Almost surely, 2^12201970 is an apocalyptic number.

12201970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201970 is a deficient number, since it is larger than the sum of its proper divisors (11758478).

12201970 is a wasteful number, since it uses less digits than its factorization.

12201970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110945.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 12201970 is about 3493.1318326110. The cubic root of 12201970 is about 230.2201420931.

The spelling of 12201970 in words is "twelve million, two hundred one thousand, nine hundred seventy".