127821253022 has 8 divisors (see below), whose sum is σ = 191745731736. Its totient is φ = 63906009112.

The previous prime is 127821252989. The next prime is 127821253067. The reversal of 127821253022 is 220352128721.

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

It is a super-2 number, since 2×127821253022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273993 + ... + 2329524.

It is an arithmetic number, because the mean of its divisors is an integer number (23968216467).

Almost surely, 2^127821253022 is an apocalyptic number.

127821253022 is a deficient number, since it is larger than the sum of its proper divisors (63924478714).

127821253022 is a wasteful number, since it uses less digits than its factorization.

127821253022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617402.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 127821253022 in words is "one hundred twenty-seven billion, eight hundred twenty-one million, two hundred fifty-three thousand, twenty-two".