12292121722 has 8 divisors (see below), whose sum is σ = 18936511956. Its totient is φ = 5979951072.

The previous prime is 12292121693. The next prime is 12292121741. The reversal of 12292121722 is 22712129221.

It can be written as a sum of positive squares in 2 ways, for example, as 11318619321 + 973502401 = 106389^2 + 31201^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83054803 + ... + 83054950.

Almost surely, 2^12292121722 is an apocalyptic number.

12292121722 is a deficient number, since it is larger than the sum of its proper divisors (6644390234).

12292121722 is a wasteful number, since it uses less digits than its factorization.

12292121722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166109792.

The product of its digits is 4032, while the sum is 31.

The spelling of 12292121722 in words is "twelve billion, two hundred ninety-two million, one hundred twenty-one thousand, seven hundred twenty-two".