123012041115 has 8 divisors (see below), whose sum is σ = 196819265808. Its totient is φ = 65606421920.

The previous prime is 123012041081. The next prime is 123012041161. The reversal of 123012041115 is 511140210321.

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

It is not a de Polignac number, because 123012041115 - 2¹⁴ = 123012024731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123012041091 and 123012041100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4100401356 + ... + 4100401385.

It is an arithmetic number, because the mean of its divisors is an integer number (24602408226).

Almost surely, 2^123012041115 is an apocalyptic number.

123012041115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123012041115 is a deficient number, since it is larger than the sum of its proper divisors (73807224693).

123012041115 is an equidigital number, since it uses as much as digits as its factorization.

123012041115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8200802749.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 123012041115 its reverse (511140210321), we get a palindrome (634152251436).

The spelling of 123012041115 in words is "one hundred twenty-three billion, twelve million, forty-one thousand, one hundred fifteen".