5212331555121 has 24 divisors (see below), whose sum is σ = 7571863316160. Its totient is φ = 3455073770400.

The previous prime is 5212331555077. The next prime is 5212331555131. The reversal of 5212331555121 is 1215551332125.

5212331555121 is a `hidden beast` number, since 5 + 2 + 123 + 3 + 15 + 5 + 512 + 1 = 666.

It is not a de Polignac number, because 5212331555121 - 2¹¹ = 5212331553073 is a prime.

It is a super-2 number, since 2×5212331555121² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5212331555131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14027236 + ... + 14394026.

It is an arithmetic number, because the mean of its divisors is an integer number (315494304840).

Almost surely, 2^{5212331555121} is an apocalyptic number.

It is an amenable number.

5212331555121 is a deficient number, since it is larger than the sum of its proper divisors (2359531761039).

5212331555121 is a wasteful number, since it uses less digits than its factorization.

5212331555121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375797 (or 375794 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

Adding to 5212331555121 its reverse (1215551332125), we get a palindrome (6427882887246).

The spelling of 5212331555121 in words is "five trillion, two hundred twelve billion, three hundred thirty-one million, five hundred fifty-five thousand, one hundred twenty-one".