12221770641135 has 24 divisors (see below), whose sum is σ = 21494155312560. Its totient is φ = 5925706976640.

The previous prime is 12221770641089. The next prime is 12221770641139. The reversal of 12221770641135 is 53114607712221.

It is not a de Polignac number, because 12221770641135 - 2⁸ = 12221770640879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221770641139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3366877150 + ... + 3366880779.

It is an arithmetic number, because the mean of its divisors is an integer number (895589804690).

Almost surely, 2^{12221770641135} is an apocalyptic number.

12221770641135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12221770641135 is a deficient number, since it is larger than the sum of its proper divisors (9272384671425).

12221770641135 is a wasteful number, since it uses less digits than its factorization.

12221770641135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733757959 (or 6733757948 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 12221770641135 in words is "twelve trillion, two hundred twenty-one billion, seven hundred seventy million, six hundred forty-one thousand, one hundred thirty-five".