212270617448390 has 8 divisors (see below), whose sum is σ = 382087111407120. Its totient is φ = 84908246979352.

The previous prime is 212270617448327. The next prime is 212270617448473. The reversal of 212270617448390 is 93844716072212.

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

It is a super-2 number, since 2×212270617448390² (a number of 29 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, 10613530872410 + ... + 10613530872429.

It is an arithmetic number, because the mean of its divisors is an integer number (47760888925890).

Almost surely, 2^{212270617448390} is an apocalyptic number.

212270617448390 is a deficient number, since it is larger than the sum of its proper divisors (169816493958730).

212270617448390 is a wasteful number, since it uses less digits than its factorization.

212270617448390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21227061744846.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 212270617448390 in words is "two hundred twelve trillion, two hundred seventy billion, six hundred seventeen million, four hundred forty-eight thousand, three hundred ninety".