12020213450225 has 48 divisors (see below), whose sum is σ = 16334606661120. Its totient is φ = 8735076633600.

The previous prime is 12020213450207. The next prime is 12020213450243. The reversal of 12020213450225 is 52205431202021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12020213450207) and next prime (12020213450243).

It is not a de Polignac number, because 12020213450225 - 2³⁴ = 12003033581041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3691286 + ... + 6137264.

It is an arithmetic number, because the mean of its divisors is an integer number (340304305440).

Almost surely, 2^{12020213450225} is an apocalyptic number.

It is an amenable number.

12020213450225 is a deficient number, since it is larger than the sum of its proper divisors (4314393210895).

12020213450225 is a wasteful number, since it uses less digits than its factorization.

12020213450225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446410 (or 2446405 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 12020213450225 its reverse (52205431202021), we get a palindrome (64225644652246).

The spelling of 12020213450225 in words is "twelve trillion, twenty billion, two hundred thirteen million, four hundred fifty thousand, two hundred twenty-five".