212054155526 has 8 divisors (see below), whose sum is σ = 318109468320. Its totient is φ = 106017666088.

The previous prime is 212054155517. The next prime is 212054155531. The reversal of 212054155526 is 625551450212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212054155526.

It is a congruent number.

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, 4677641 + ... + 4722756.

It is an arithmetic number, because the mean of its divisors is an integer number (39763683540).

Almost surely, 2^212054155526 is an apocalyptic number.

212054155526 is a deficient number, since it is larger than the sum of its proper divisors (106055312794).

212054155526 is a wasteful number, since it uses less digits than its factorization.

212054155526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411678.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 212054155526 in words is "two hundred twelve billion, fifty-four million, one hundred fifty-five thousand, five hundred twenty-six".