212401433201442 has 128 divisors (see below), whose sum is σ = 453804696564480. Its totient is φ = 66044248596480.

The previous prime is 212401433201413. The next prime is 212401433201473. The reversal of 212401433201442 is 244102334104212.

It is a super-2 number, since 2×212401433201442² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7215443148 + ... + 7215472584.

It is an arithmetic number, because the mean of its divisors is an integer number (3545349191910).

Almost surely, 2^{212401433201442} is an apocalyptic number.

212401433201442 is an abundant number, since it is smaller than the sum of its proper divisors (241403263363038).

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

212401433201442 is a wasteful number, since it uses less digits than its factorization.

212401433201442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31076.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 212401433201442 its reverse (244102334104212), we get a palindrome (456503767305654).

The spelling of 212401433201442 in words is "two hundred twelve trillion, four hundred one billion, four hundred thirty-three million, two hundred one thousand, four hundred forty-two".