122001210012 has 48 divisors (see below), whose sum is σ = 310748256000. Its totient is φ = 36946287360.

The previous prime is 122001210011. The next prime is 122001210013. The reversal of 122001210012 is 210012100221.

It is an interprime number because it is at equal distance from previous prime (122001210011) and next prime (122001210013).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 122001210012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001210011) 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, 90637 + ... + 502212.

It is an arithmetic number, because the mean of its divisors is an integer number (6473922000).

Almost surely, 2^122001210012 is an apocalyptic number.

122001210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122001210012 is an abundant number, since it is smaller than the sum of its proper divisors (188747045988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122001210012 is a wasteful number, since it uses less digits than its factorization.

122001210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594426 (or 594424 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122001210012 its reverse (210012100221), we get a palindrome (332013310233).

The spelling of 122001210012 in words is "one hundred twenty-two billion, one million, two hundred ten thousand, twelve".