109290212 has 48 divisors (see below), whose sum is σ = 211422960. Its totient is φ = 49201152.

The previous prime is 109290211. The next prime is 109290239. The reversal of 109290212 is 212092901.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4096 + 109286116 = 64^2 + 10454^2 .

It is not an unprimeable number, because it can be changed into a prime (109290211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309428 + ... + 309780.

It is an arithmetic number, because the mean of its divisors is an integer number (4404645).

Almost surely, 2^109290212 is an apocalyptic number.

It is an amenable number.

109290212 is a deficient number, since it is larger than the sum of its proper divisors (102132748).

109290212 is a wasteful number, since it uses less digits than its factorization.

109290212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 109290212 is about 10454.1959040378. The cubic root of 109290212 is about 478.1091876639.

The spelling of 109290212 in words is "one hundred nine million, two hundred ninety thousand, two hundred twelve".