103221123212 has 12 divisors (see below), whose sum is σ = 186463964736. Its totient is φ = 49945704720.

The previous prime is 103221123179. The next prime is 103221123259. The reversal of 103221123212 is 212321122301.

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, 416214083 + ... + 416214330.

It is an arithmetic number, because the mean of its divisors is an integer number (15538663728).

Almost surely, 2^103221123212 is an apocalyptic number.

It is an amenable number.

103221123212 is a deficient number, since it is larger than the sum of its proper divisors (83242841524).

103221123212 is a wasteful number, since it uses less digits than its factorization.

103221123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832428448 (or 832428446 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 103221123212 its reverse (212321122301), we get a palindrome (315542245513).

The spelling of 103221123212 in words is "one hundred three billion, two hundred twenty-one million, one hundred twenty-three thousand, two hundred twelve".