212402425054 has 4 divisors (see below), whose sum is σ = 318603637584. Its totient is φ = 106201212526.

The previous prime is 212402425003. The next prime is 212402425097. The reversal of 212402425054 is 450524204212.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×212402425054² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53100606262 + ... + 53100606265.

It is an arithmetic number, because the mean of its divisors is an integer number (79650909396).

Almost surely, 2^212402425054 is an apocalyptic number.

212402425054 is a deficient number, since it is larger than the sum of its proper divisors (106201212530).

212402425054 is a wasteful number, since it uses less digits than its factorization.

212402425054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106201212529.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 212402425054 its reverse (450524204212), we get a palindrome (662926629266).

The spelling of 212402425054 in words is "two hundred twelve billion, four hundred two million, four hundred twenty-five thousand, fifty-four".