212400411 has 8 divisors (see below), whose sum is σ = 298105920. Its totient is φ = 134147592.

The previous prime is 212400367. The next prime is 212400421. The reversal of 212400411 is 114004212.

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

It is not a de Polignac number, because 212400411 - 2⁷ = 212400283 is a prime.

It is a super-2 number, since 2×212400411² = 90227869185937842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212400421) 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, 1863105 + ... + 1863218.

It is an arithmetic number, because the mean of its divisors is an integer number (37263240).

Almost surely, 2^212400411 is an apocalyptic number.

212400411 is a deficient number, since it is larger than the sum of its proper divisors (85705509).

212400411 is a wasteful number, since it uses less digits than its factorization.

212400411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726345.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 212400411 is about 14573.9634622844. The cubic root of 212400411 is about 596.6483595949.

Adding to 212400411 its reverse (114004212), we get a palindrome (326404623).

The spelling of 212400411 in words is "two hundred twelve million, four hundred thousand, four hundred eleven".