122002000000 has 112 divisors (see below), whose sum is σ = 303814665810. Its totient is φ = 48800000000.

The previous prime is 122001999983. The next prime is 122002000013. The reversal of 122002000000 is 200221.

It is a happy number.

It can be written as a sum of positive squares in 7 ways, for example, as 55285176384 + 66716823616 = 235128^2 + 258296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1969500 + ... + 2030500.

Almost surely, 2^122002000000 is an apocalyptic number.

122002000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122002000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151907332905).

122002000000 is an abundant number, since it is smaller than the sum of its proper divisors (181812665810).

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

122002000000 is an frugal number, since it uses more digits than its factorization.

122002000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61045 (or 61008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 122002000000 its reverse (200221), we get a palindrome (122002200221).

The spelling of 122002000000 in words is "one hundred twenty-two billion, two million", and thus it is an aban number.