212401214312142 has 8 divisors (see below), whose sum is σ = 424802428624296. Its totient is φ = 70800404770712.

The previous prime is 212401214312141. The next prime is 212401214312159. The reversal of 212401214312142 is 241213412104212.

It is a happy number.

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

212401214312142 is an admirable number.

It is a super-2 number, since 2×212401214312142² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212401214312141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17700101192673 + ... + 17700101192684.

It is an arithmetic number, because the mean of its divisors is an integer number (53100303578037).

Almost surely, 2^{212401214312142} is an apocalyptic number.

212401214312142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212401214312142 is a wasteful number, since it uses less digits than its factorization.

212401214312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35400202385362.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 212401214312142 its reverse (241213412104212), we get a palindrome (453614626416354).

The spelling of 212401214312142 in words is "two hundred twelve trillion, four hundred one billion, two hundred fourteen million, three hundred twelve thousand, one hundred forty-two".