102212012123 has 8 divisors (see below), whose sum is σ = 110202035328. Its totient is φ = 94240211904.

The previous prime is 102212012107. The next prime is 102212012131. The reversal of 102212012123 is 321210212201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102212012123 - 2⁴ = 102212012107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102212012183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4544090 + ... + 4566527.

It is an arithmetic number, because the mean of its divisors is an integer number (13775254416).

Almost surely, 2^102212012123 is an apocalyptic number.

102212012123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102212012123 is a deficient number, since it is larger than the sum of its proper divisors (7990023205).

102212012123 is an equidigital number, since it uses as much as digits as its factorization.

102212012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111493.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102212012123 its reverse (321210212201), we get a palindrome (423422224324).

The spelling of 102212012123 in words is "one hundred two billion, two hundred twelve million, twelve thousand, one hundred twenty-three".