212404212031401 has 12 divisors (see below), whose sum is σ = 330406552049028. Its totient is φ = 130710284326944.

The previous prime is 212404212031381. The next prime is 212404212031423. The reversal of 212404212031401 is 104130212404212.

212404212031401 is a `hidden beast` number, since 2 + 1 + 2 + 40 + 4 + 212 + 0 + 3 + 1 + 401 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66675373919001 + 145728838112400 = 8165499^2 + 12071820^2 .

It is not a de Polignac number, because 212404212031401 - 2¹⁸ = 212404211769257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212404212731401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 907710307710 + ... + 907710307943.

It is an arithmetic number, because the mean of its divisors is an integer number (27533879337419).

Almost surely, 2^{212404212031401} is an apocalyptic number.

It is an amenable number.

212404212031401 is a deficient number, since it is larger than the sum of its proper divisors (118002340017627).

212404212031401 is a wasteful number, since it uses less digits than its factorization.

212404212031401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815420615672 (or 1815420615669 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 212404212031401 its reverse (104130212404212), we get a palindrome (316534424435613).

The spelling of 212404212031401 in words is "two hundred twelve trillion, four hundred four billion, two hundred twelve million, thirty-one thousand, four hundred one".