30253250522312 has 8 divisors (see below), whose sum is σ = 56724844729350. Its totient is φ = 15126625261152.

The previous prime is 30253250522311. The next prime is 30253250522329. The reversal of 30253250522312 is 21322505235203.

It can be written as a sum of positive squares in only one way, i.e., 23549221384516 + 6704029137796 = 4852754^2 + 2589214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (30253250522311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890828157637 + ... + 1890828157652.

Almost surely, 2^{30253250522312} is an apocalyptic number.

It is an amenable number.

30253250522312 is a deficient number, since it is larger than the sum of its proper divisors (26471594207038).

30253250522312 is a wasteful number, since it uses less digits than its factorization.

30253250522312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781656315295 (or 3781656315291 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 30253250522312 its reverse (21322505235203), we get a palindrome (51575755757515).

The spelling of 30253250522312 in words is "thirty trillion, two hundred fifty-three billion, two hundred fifty million, five hundred twenty-two thousand, three hundred twelve".