2121312022134 has 16 divisors (see below), whose sum is σ = 4253818307520. Its totient is φ = 705238296840.

The previous prime is 2121312022103. The next prime is 2121312022157. The reversal of 2121312022134 is 4312202131212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466425172 + ... + 466429719.

It is an arithmetic number, because the mean of its divisors is an integer number (265863644220).

Almost surely, 2^{2121312022134} is an apocalyptic number.

2121312022134 is an abundant number, since it is smaller than the sum of its proper divisors (2132506285386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121312022134 is a wasteful number, since it uses less digits than its factorization.

2121312022134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932855275.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2121312022134 its reverse (4312202131212), we get a palindrome (6433514153346).

The spelling of 2121312022134 in words is "two trillion, one hundred twenty-one billion, three hundred twelve million, twenty-two thousand, one hundred thirty-four".