123012202011 has 8 divisors (see below), whose sum is σ = 173664285264. Its totient is φ = 77184126720.

The previous prime is 123012202003. The next prime is 123012202013. The reversal of 123012202011 is 110202210321.

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

It is not a de Polignac number, because 123012202011 - 2³ = 123012202003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123012202013) 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, 1206001930 + ... + 1206002031.

It is an arithmetic number, because the mean of its divisors is an integer number (21708035658).

Almost surely, 2^123012202011 is an apocalyptic number.

123012202011 is a deficient number, since it is larger than the sum of its proper divisors (50652083253).

123012202011 is a wasteful number, since it uses less digits than its factorization.

123012202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412003981.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 123012202011 its reverse (110202210321), we get a palindrome (233214412332).

The spelling of 123012202011 in words is "one hundred twenty-three billion, twelve million, two hundred two thousand, eleven".