212200148 has 6 divisors (see below), whose sum is σ = 371350266. Its totient is φ = 106100072.

The previous prime is 212200147. The next prime is 212200187. The reversal of 212200148 is 841002212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 200448964 + 11751184 = 14158^2 + 3428^2 .

It is a super-2 number, since 2×212200148² = 90057805622443808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525015 + ... + 26525022.

It is an arithmetic number, because the mean of its divisors is an integer number (61891711).

Almost surely, 2^212200148 is an apocalyptic number.

It is an amenable number.

212200148 is a deficient number, since it is larger than the sum of its proper divisors (159150118).

212200148 is a wasteful number, since it uses less digits than its factorization.

212200148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53050041 (or 53050039 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 212200148 is about 14567.0912676485. The cubic root of 212200148 is about 596.4607828031.

The spelling of 212200148 in words is "two hundred twelve million, two hundred thousand, one hundred forty-eight".