55212345121235 has 4 divisors (see below), whose sum is σ = 66254814145488. Its totient is φ = 44169876096984.

The previous prime is 55212345121189. The next prime is 55212345121247. The reversal of 55212345121235 is 53212154321255.

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 55212345121235 - 2⁸ = 55212345120979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55212345121192 and 55212345121201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5521234512119 + ... + 5521234512128.

It is an arithmetic number, because the mean of its divisors is an integer number (16563703536372).

Almost surely, 2^{55212345121235} is an apocalyptic number.

55212345121235 is a deficient number, since it is larger than the sum of its proper divisors (11042469024253).

55212345121235 is a wasteful number, since it uses less digits than its factorization.

55212345121235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042469024252.

The product of its digits is 360000, while the sum is 41.

The spelling of 55212345121235 in words is "fifty-five trillion, two hundred twelve billion, three hundred forty-five million, one hundred twenty-one thousand, two hundred thirty-five".