121222220970 has 32 divisors (see below), whose sum is σ = 291088961280. Its totient is φ = 32308633280.

The previous prime is 121222220969. The next prime is 121222221041. The reversal of 121222220970 is 79022222121.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 1023705 + ... + 1135964.

It is an arithmetic number, because the mean of its divisors is an integer number (9096530040).

Almost surely, 2^121222220970 is an apocalyptic number.

121222220970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222220970 is an abundant number, since it is smaller than the sum of its proper divisors (169866740310).

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

121222220970 is a wasteful number, since it uses less digits than its factorization.

121222220970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161550.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 121222220970 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, nine hundred seventy".