2822129212061 has 4 divisors (see below), whose sum is σ = 2847103806972. Its totient is φ = 2797154617152.

The previous prime is 2822129212039. The next prime is 2822129212073. The reversal of 2822129212061 is 1602129212282.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261069902500 + 2561059309561 = 510950^2 + 1600331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2822129212061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822129212261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12487297286 + ... + 12487297511.

It is an arithmetic number, because the mean of its divisors is an integer number (711775951743).

Almost surely, 2^{2822129212061} is an apocalyptic number.

It is an amenable number.

2822129212061 is a deficient number, since it is larger than the sum of its proper divisors (24974594911).

2822129212061 is a wasteful number, since it uses less digits than its factorization.

2822129212061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24974594910.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 2822129212061 in words is "two trillion, eight hundred twenty-two billion, one hundred twenty-nine million, two hundred twelve thousand, sixty-one".