1220121200986 has 8 divisors (see below), whose sum is σ = 1830189028320. Its totient is φ = 610058191548.

The previous prime is 1220121200929. The next prime is 1220121201017. The reversal of 1220121200986 is 6890021210221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485526 + ... + 1635841.

It is an arithmetic number, because the mean of its divisors is an integer number (228773628540).

Almost surely, 2^{1220121200986} is an apocalyptic number.

1220121200986 is a deficient number, since it is larger than the sum of its proper divisors (610067827334).

1220121200986 is a wasteful number, since it uses less digits than its factorization.

1220121200986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408948.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 1220121200986 in words is "one trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thousand, nine hundred eighty-six".