47412121025 has 24 divisors (see below), whose sum is σ = 61012906680. Its totient is φ = 36504599040.

The previous prime is 47412120997. The next prime is 47412121039. The reversal of 47412121025 is 52012121474.

It can be written as a sum of positive squares in 12 ways, for example, as 36860928064 + 10551192961 = 191992^2 + 102719^2 .

It is not a de Polignac number, because 47412121025 - 2⁶ = 47412120961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122459 + ... + 331391.

It is an arithmetic number, because the mean of its divisors is an integer number (2542204445).

Almost surely, 2^47412121025 is an apocalyptic number.

It is an amenable number.

47412121025 is a deficient number, since it is larger than the sum of its proper divisors (13600785655).

47412121025 is a wasteful number, since it uses less digits than its factorization.

47412121025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209285 (or 209280 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 47412121025 its reverse (52012121474), we get a palindrome (99424242499).

The spelling of 47412121025 in words is "forty-seven billion, four hundred twelve million, one hundred twenty-one thousand, twenty-five".