212274122177612 has 12 divisors (see below), whose sum is σ = 405250596884616. Its totient is φ = 96488237353440.

The previous prime is 212274122177599. The next prime is 212274122177617. The reversal of 212274122177612 is 216771221472212.

It is not an unprimeable number, because it can be changed into a prime (212274122177617) 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, 2412205933793 + ... + 2412205933880.

It is an arithmetic number, because the mean of its divisors is an integer number (33770883073718).

Almost surely, 2^{212274122177612} is an apocalyptic number.

212274122177612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212274122177612 is a deficient number, since it is larger than the sum of its proper divisors (192976474707004).

212274122177612 is a wasteful number, since it uses less digits than its factorization.

212274122177612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824411867688 (or 4824411867686 counting only the distinct ones).

The product of its digits is 526848, while the sum is 47.

The spelling of 212274122177612 in words is "two hundred twelve trillion, two hundred seventy-four billion, one hundred twenty-two million, one hundred seventy-seven thousand, six hundred twelve".