102743212 has 72 divisors (see below), whose sum is σ = 218220912. Its totient is φ = 41932800.

The previous prime is 102743209. The next prime is 102743233. The reversal of 102743212 is 212347201.

It is a super-2 number, since 2×102743212² = 21112335224153888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304708 + ... + 305044.

It is an arithmetic number, because the mean of its divisors is an integer number (3030846).

Almost surely, 2^102743212 is an apocalyptic number.

It is an amenable number.

102743212 is an abundant number, since it is smaller than the sum of its proper divisors (115477700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102743212 is a wasteful number, since it uses less digits than its factorization.

102743212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 102743212 is about 10136.2326334788. The cubic root of 102743212 is about 468.3649416856.

The spelling of 102743212 in words is "one hundred two million, seven hundred forty-three thousand, two hundred twelve".