201213121332134 has 32 divisors (see below), whose sum is σ = 316114602531840. Its totient is φ = 95874174633600.

The previous prime is 201213121332131. The next prime is 201213121332191. The reversal of 201213121332134 is 431233121312102.

It is a junction number, because it is equal to n+sod(n) for n = 201213121332097 and 201213121332106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201213121332131) 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, 413366174 + ... + 413852654.

It is an arithmetic number, because the mean of its divisors is an integer number (9878581329120).

Almost surely, 2^{201213121332134} is an apocalyptic number.

201213121332134 is a deficient number, since it is larger than the sum of its proper divisors (114901481199706).

201213121332134 is a wasteful number, since it uses less digits than its factorization.

201213121332134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519956.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 201213121332134 its reverse (431233121312102), we get a palindrome (632446242644236).

The spelling of 201213121332134 in words is "two hundred one trillion, two hundred thirteen billion, one hundred twenty-one million, three hundred thirty-two thousand, one hundred thirty-four".