122013312210 has 96 divisors (see below), whose sum is σ = 319901400000. Its totient is φ = 32264108928.

The previous prime is 122013312209. The next prime is 122013312217. The reversal of 122013312210 is 12213310221.

122013312210 is a `hidden beast` number, since 122 + 0 + 1 + 331 + 2 + 210 = 666.

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 (122013312217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8293441 + ... + 8308139.

It is an arithmetic number, because the mean of its divisors is an integer number (3332306250).

Almost surely, 2^122013312210 is an apocalyptic number.

122013312210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122013312210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159950700000).

122013312210 is an abundant number, since it is smaller than the sum of its proper divisors (197888087790).

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

122013312210 is a wasteful number, since it uses less digits than its factorization.

122013312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15480 (or 15477 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122013312210 its reverse (12213310221), we get a palindrome (134226622431).

The spelling of 122013312210 in words is "one hundred twenty-two billion, thirteen million, three hundred twelve thousand, two hundred ten".