212021102134 has 8 divisors (see below), whose sum is σ = 320949375120. Its totient is φ = 105037977096.

The previous prime is 212021102131. The next prime is 212021102141. The reversal of 212021102134 is 431201120212.

212021102134 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×212021102134³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486286714 + ... + 486287149.

It is an arithmetic number, because the mean of its divisors is an integer number (40118671890).

Almost surely, 2^212021102134 is an apocalyptic number.

212021102134 is a deficient number, since it is larger than the sum of its proper divisors (108928272986).

212021102134 is a wasteful number, since it uses less digits than its factorization.

212021102134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972573974.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212021102134 its reverse (431201120212), we get a palindrome (643222222346).

The spelling of 212021102134 in words is "two hundred twelve billion, twenty-one million, one hundred two thousand, one hundred thirty-four".