212011748 has 12 divisors (see below), whose sum is σ = 399560700. Its totient is φ = 97851552.

The previous prime is 212011727. The next prime is 212011753. The reversal of 212011748 is 847110212.

It can be written as a sum of positive squares in 2 ways, for example, as 100962304 + 111049444 = 10048^2 + 10538^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 2038523 + ... + 2038626.

It is an arithmetic number, because the mean of its divisors is an integer number (33296725).

Almost surely, 2^212011748 is an apocalyptic number.

It is an amenable number.

212011748 is a deficient number, since it is larger than the sum of its proper divisors (187548952).

212011748 is a wasteful number, since it uses less digits than its factorization.

212011748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077166 (or 4077164 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 212011748 is about 14560.6232009485. The cubic root of 212011748 is about 596.2842097494.

The spelling of 212011748 in words is "two hundred twelve million, eleven thousand, seven hundred forty-eight".