212131001032102 has 4 divisors (see below), whose sum is σ = 318196501548156. Its totient is φ = 106065500516050.

The previous prime is 212131001032099. The next prime is 212131001032127. The reversal of 212131001032102 is 201230100131212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212131001032102.

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, 53032750258024 + ... + 53032750258027.

It is an arithmetic number, because the mean of its divisors is an integer number (79549125387039).

Almost surely, 2^{212131001032102} is an apocalyptic number.

212131001032102 is a deficient number, since it is larger than the sum of its proper divisors (106065500516054).

212131001032102 is a wasteful number, since it uses less digits than its factorization.

212131001032102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106065500516053.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212131001032102 its reverse (201230100131212), we get a palindrome (413361101163314).

The spelling of 212131001032102 in words is "two hundred twelve trillion, one hundred thirty-one billion, one million, thirty-two thousand, one hundred two".