2121412340422 has 16 divisors (see below), whose sum is σ = 3189135913200. Its totient is φ = 1058368433760.

The previous prime is 2121412340419. The next prime is 2121412340477. The reversal of 2121412340422 is 2240432141212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2702404 + ... + 3397912.

It is an arithmetic number, because the mean of its divisors is an integer number (199320994575).

Almost surely, 2^{2121412340422} is an apocalyptic number.

2121412340422 is a deficient number, since it is larger than the sum of its proper divisors (1067723572778).

2121412340422 is a wasteful number, since it uses less digits than its factorization.

2121412340422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698871.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 2121412340422 its reverse (2240432141212), we get a palindrome (4361844481634).

The spelling of 2121412340422 in words is "two trillion, one hundred twenty-one billion, four hundred twelve million, three hundred forty thousand, four hundred twenty-two".