20012452603261 has 8 divisors (see below), whose sum is σ = 21066476950400. Its totient is φ = 18958501992960.

The previous prime is 20012452603259. The next prime is 20012452603289. The reversal of 20012452603261 is 16230625421002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20012452603261 - 2¹ = 20012452603259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012452603361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17876676 + ... + 18963133.

It is an arithmetic number, because the mean of its divisors is an integer number (2633309618800).

Almost surely, 2^{20012452603261} is an apocalyptic number.

It is an amenable number.

20012452603261 is a deficient number, since it is larger than the sum of its proper divisors (1054024347139).

20012452603261 is a wasteful number, since it uses less digits than its factorization.

20012452603261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36868419.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 20012452603261 in words is "twenty trillion, twelve billion, four hundred fifty-two million, six hundred three thousand, two hundred sixty-one".