100212122123 has 8 divisors (see below), whose sum is σ = 106472301120. Its totient is φ = 94050528840.

The previous prime is 100212122083. The next prime is 100212122137. The reversal of 100212122123 is 321221212001.

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 100212122123 - 2¹⁶ = 100212056587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100212122173) 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, 24644333 + ... + 24648398.

It is an arithmetic number, because the mean of its divisors is an integer number (13309037640).

Almost surely, 2^100212122123 is an apocalyptic number.

100212122123 is a deficient number, since it is larger than the sum of its proper divisors (6260178997).

100212122123 is a wasteful number, since it uses less digits than its factorization.

100212122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49292857.

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

Adding to 100212122123 its reverse (321221212001), we get a palindrome (421433334124).

The spelling of 100212122123 in words is "one hundred billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twenty-three".