212788260955 has 8 divisors (see below), whose sum is σ = 255507227712. Its totient is φ = 170123065728.

The previous prime is 212788260953. The next prime is 212788260973. The reversal of 212788260955 is 559062887212.

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 212788260955 - 2¹ = 212788260953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212788260896 and 212788260905.

It is not an unprimeable number, because it can be changed into a prime (212788260953) 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, 13434174 + ... + 13450003.

It is an arithmetic number, because the mean of its divisors is an integer number (31938403464).

Almost surely, 2^212788260955 is an apocalyptic number.

212788260955 is a deficient number, since it is larger than the sum of its proper divisors (42718966757).

212788260955 is a wasteful number, since it uses less digits than its factorization.

212788260955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26885765.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 212788260955 in words is "two hundred twelve billion, seven hundred eighty-eight million, two hundred sixty thousand, nine hundred fifty-five".