201012101000123 has 16 divisors (see below), whose sum is σ = 230117701372416. Its totient is φ = 172003902641280.

The previous prime is 201012101000101. The next prime is 201012101000131. The reversal of 201012101000123 is 321000101210102.

It is a cyclic number.

It is not a de Polignac number, because 201012101000123 - 2²⁸ = 201011832564667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201012101000098 and 201012101000107.

It is not an unprimeable number, because it can be changed into a prime (201012101000323) 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, 676726028 + ... + 677022998.

It is an arithmetic number, because the mean of its divisors is an integer number (14382356335776).

Almost surely, 2^{201012101000123} is an apocalyptic number.

201012101000123 is a deficient number, since it is larger than the sum of its proper divisors (29105600372293).

201012101000123 is a wasteful number, since it uses less digits than its factorization.

201012101000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460634.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201012101000123 its reverse (321000101210102), we get a palindrome (522012202210225).

The spelling of 201012101000123 in words is "two hundred one trillion, twelve billion, one hundred one million, one hundred twenty-three", and thus it is an aban number.