212420510542051 has 16 divisors (see below), whose sum is σ = 244795422597120. Its totient is φ = 180554257578240.

The previous prime is 212420510542013. The next prime is 212420510542057. The reversal of 212420510542051 is 150245015024212.

It is not a de Polignac number, because 212420510542051 - 2¹⁵ = 212420510509283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212420510541998 and 212420510542016.

It is not an unprimeable number, because it can be changed into a prime (212420510542057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55560661 + ... + 59260678.

It is an arithmetic number, because the mean of its divisors is an integer number (15299713912320).

Almost surely, 2^{212420510542051} is an apocalyptic number.

212420510542051 is a deficient number, since it is larger than the sum of its proper divisors (32374912055069).

212420510542051 is a wasteful number, since it uses less digits than its factorization.

212420510542051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114823554.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 212420510542051 its reverse (150245015024212), we get a palindrome (362665525566263).

The spelling of 212420510542051 in words is "two hundred twelve trillion, four hundred twenty billion, five hundred ten million, five hundred forty-two thousand, fifty-one".