121045112262 has 56 divisors (see below), whose sum is σ = 273448453824. Its totient is φ = 40167328464.

The previous prime is 121045112231. The next prime is 121045112297. The reversal of 121045112262 is 262211540121.

It is a happy number.

121045112262 is a `hidden beast` number, since 121 + 0 + 4 + 511 + 2 + 26 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 138988 + ... + 511280.

It is an arithmetic number, because the mean of its divisors is an integer number (4883008104).

Almost surely, 2^121045112262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121045112262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136724226912).

121045112262 is an abundant number, since it is smaller than the sum of its proper divisors (152403341562).

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

121045112262 is an equidigital number, since it uses as much as digits as its factorization.

121045112262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372536 (or 372521 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 121045112262 its reverse (262211540121), we get a palindrome (383256652383).

The spelling of 121045112262 in words is "one hundred twenty-one billion, forty-five million, one hundred twelve thousand, two hundred sixty-two".