212501401963 has 4 divisors (see below), whose sum is σ = 212608349800. Its totient is φ = 212394454128.

The previous prime is 212501401951. The next prime is 212501401997. The reversal of 212501401963 is 369104105212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212501401963 - 2²¹ = 212499304811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212501401933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53470938 + ... + 53474911.

It is an arithmetic number, because the mean of its divisors is an integer number (53152087450).

Almost surely, 2^212501401963 is an apocalyptic number.

212501401963 is a deficient number, since it is larger than the sum of its proper divisors (106947837).

212501401963 is a wasteful number, since it uses less digits than its factorization.

212501401963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106947836.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 212501401963 in words is "two hundred twelve billion, five hundred one million, four hundred one thousand, nine hundred sixty-three".