122020001210 has 32 divisors (see below), whose sum is σ = 232740889920. Its totient is φ = 45900374272.

The previous prime is 122020001179. The next prime is 122020001239. The reversal of 122020001210 is 12100020221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122020001191 and 122020001200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71024 + ... + 499083.

It is an arithmetic number, because the mean of its divisors is an integer number (7273152810).

Almost surely, 2^122020001210 is an apocalyptic number.

122020001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122020001210 is a deficient number, since it is larger than the sum of its proper divisors (110720888710).

122020001210 is a wasteful number, since it uses less digits than its factorization.

122020001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571390.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122020001210 its reverse (12100020221), we get a palindrome (134120021431).

The spelling of 122020001210 in words is "one hundred twenty-two billion, twenty million, one thousand, two hundred ten".