212061554049 has 16 divisors (see below), whose sum is σ = 294603019200. Its totient is φ = 135517373376.

The previous prime is 212061554039. The next prime is 212061554053. The reversal of 212061554049 is 940455160212.

212061554049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212061554049 - 2⁹ = 212061553537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212061553998 and 212061554016.

It is not an unprimeable number, because it can be changed into a prime (212061554009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8755854 + ... + 8780039.

It is an arithmetic number, because the mean of its divisors is an integer number (18412688700).

Almost surely, 2^212061554049 is an apocalyptic number.

212061554049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

212061554049 is a deficient number, since it is larger than the sum of its proper divisors (82541465151).

212061554049 is a wasteful number, since it uses less digits than its factorization.

212061554049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17536064.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 212061554049 in words is "two hundred twelve billion, sixty-one million, five hundred fifty-four thousand, forty-nine".