30115122616252 has 48 divisors (see below), whose sum is σ = 56922997743360. Its totient is φ = 13887655621632.

The previous prime is 30115122616193. The next prime is 30115122616343. The reversal of 30115122616252 is 25261622151103.

It is a super-2 number, since 2×30115122616252² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2052108 + ... + 8027539.

It is an arithmetic number, because the mean of its divisors is an integer number (1185895786320).

Almost surely, 2^{30115122616252} is an apocalyptic number.

It is an amenable number.

30115122616252 is a deficient number, since it is larger than the sum of its proper divisors (26807875127108).

30115122616252 is a wasteful number, since it uses less digits than its factorization.

30115122616252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080550 (or 10080548 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 30115122616252 its reverse (25261622151103), we get a palindrome (55376744767355).

The spelling of 30115122616252 in words is "thirty trillion, one hundred fifteen billion, one hundred twenty-two million, six hundred sixteen thousand, two hundred fifty-two".