4520213145212 has 12 divisors (see below), whose sum is σ = 7915870146240. Its totient is φ = 2258535960576.

The previous prime is 4520213145211. The next prime is 4520213145293. The reversal of 4520213145212 is 2125413120254.

It is a super-2 number, since 2×4520213145212² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520213145211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392646533 + ... + 392658044.

It is an arithmetic number, because the mean of its divisors is an integer number (659655845520).

Almost surely, 2^{4520213145212} is an apocalyptic number.

It is an amenable number.

4520213145212 is a deficient number, since it is larger than the sum of its proper divisors (3395657001028).

4520213145212 is a wasteful number, since it uses less digits than its factorization.

4520213145212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785306020 (or 785306018 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 4520213145212 its reverse (2125413120254), we get a palindrome (6645626265466).

The spelling of 4520213145212 in words is "four trillion, five hundred twenty billion, two hundred thirteen million, one hundred forty-five thousand, two hundred twelve".