122002001010 has 64 divisors (see below), whose sum is σ = 325390204800. Its totient is φ = 32528713536.

The previous prime is 122002000997. The next prime is 122002001057. The reversal of 122002001010 is 10100200221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 122002000983 and 122002001001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1856901 + ... + 1921479.

It is an arithmetic number, because the mean of its divisors is an integer number (5084221950).

Almost surely, 2^122002001010 is an apocalyptic number.

122002001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122002001010 is an abundant number, since it is smaller than the sum of its proper divisors (203388203790).

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

122002001010 is a wasteful number, since it uses less digits than its factorization.

122002001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71592 (or 71586 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 122002001010 its reverse (10100200221), we get a palindrome (132102201231).

The spelling of 122002001010 in words is "one hundred twenty-two billion, two million, one thousand, ten".