212255049469 has 8 divisors (see below), whose sum is σ = 215268268032. Its totient is φ = 209242489680.

The previous prime is 212255049439. The next prime is 212255049481. The reversal of 212255049469 is 964940552212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212255049469 - 2⁵ = 212255049437 is a prime.

It is a super-2 number, since 2×212255049469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212255049439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503367 + ... + 823339.

It is an arithmetic number, because the mean of its divisors is an integer number (26908533504).

Almost surely, 2^212255049469 is an apocalyptic number.

It is an amenable number.

212255049469 is a deficient number, since it is larger than the sum of its proper divisors (3013218563).

212255049469 is an equidigital number, since it uses as much as digits as its factorization.

212255049469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329387.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 212255049469 in words is "two hundred twelve billion, two hundred fifty-five million, forty-nine thousand, four hundred sixty-nine".