2520122645200 has 60 divisors (see below), whose sum is σ = 6095229662700. Its totient is φ = 1001283604480.

The previous prime is 2520122645177. The next prime is 2520122645233. The reversal of 2520122645200 is 25462210252.

It can be written as a sum of positive squares in 6 ways, for example, as 207946944144 + 2312175701056 = 456012^2 + 1520584^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21082369 + ... + 21201568.

It is an arithmetic number, because the mean of its divisors is an integer number (101587161045).

Almost surely, 2^{2520122645200} is an apocalyptic number.

2520122645200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520122645200 is an abundant number, since it is smaller than the sum of its proper divisors (3575107017500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2520122645200 is a wasteful number, since it uses less digits than its factorization.

2520122645200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42284104 (or 42284093 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 2520122645200 its reverse (25462210252), we get a palindrome (2545584855452).

The spelling of 2520122645200 in words is "two trillion, five hundred twenty billion, one hundred twenty-two million, six hundred forty-five thousand, two hundred".