212152419 has 16 divisors (see below), whose sum is σ = 317415840. Its totient is φ = 140032800.

The previous prime is 212152417. The next prime is 212152427. The reversal of 212152419 is 914251212.

212152419 is a `hidden beast` number, since 2 + 121 + 524 + 19 = 666.

It is not a de Polignac number, because 212152419 - 2¹ = 212152417 is a prime.

It is a super-2 number, since 2×212152419² = 90017297775103122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 212152392 and 212152401.

It is not an unprimeable number, because it can be changed into a prime (212152417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36172 + ... + 41625.

It is an arithmetic number, because the mean of its divisors is an integer number (19838490).

Almost surely, 2^212152419 is an apocalyptic number.

212152419 is a deficient number, since it is larger than the sum of its proper divisors (105263421).

212152419 is a wasteful number, since it uses less digits than its factorization.

212152419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77907 (or 77901 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 212152419 is about 14565.4529280761. The cubic root of 212152419 is about 596.4160599135.

The spelling of 212152419 in words is "two hundred twelve million, one hundred fifty-two thousand, four hundred nineteen".