121762090266 has 32 divisors (see below), whose sum is σ = 259005454848. Its totient is φ = 38028564480.

The previous prime is 121762090223. The next prime is 121762090267. The reversal of 121762090266 is 662090267121.

It is not an unprimeable number, because it can be changed into a prime (121762090267) by changing a digit.

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, 2653815 + ... + 2699306.

It is an arithmetic number, because the mean of its divisors is an integer number (8093920464).

Almost surely, 2^121762090266 is an apocalyptic number.

121762090266 is an abundant number, since it is smaller than the sum of its proper divisors (137243364582).

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

121762090266 is a wasteful number, since it uses less digits than its factorization.

121762090266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353366.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 121762090266 in words is "one hundred twenty-one billion, seven hundred sixty-two million, ninety thousand, two hundred sixty-six".