122020111212210 has 64 divisors (see below), whose sum is σ = 329844318946560. Its totient is φ = 32092960752000.

The previous prime is 122020111212203. The next prime is 122020111212217. The reversal of 122020111212210 is 12212111020221.

122020111212210 is a `hidden beast` number, since 1 + 220 + 20 + 1 + 1 + 1 + 212 + 210 = 666.

It is an interprime number because it is at equal distance from previous prime (122020111212203) and next prime (122020111212217).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (122020111212217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3095366166 + ... + 3095405585.

It is an arithmetic number, because the mean of its divisors is an integer number (5153817483540).

Almost surely, 2^{122020111212210} is an apocalyptic number.

122020111212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122020111212210 is an abundant number, since it is smaller than the sum of its proper divisors (207824207734350).

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

122020111212210 is a wasteful number, since it uses less digits than its factorization.

122020111212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190771840 (or 6190771834 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122020111212210 its reverse (12212111020221), we get a palindrome (134232222232431).

The spelling of 122020111212210 in words is "one hundred twenty-two trillion, twenty billion, one hundred eleven million, two hundred twelve thousand, two hundred ten".