1022120010 has 96 divisors (see below), whose sum is σ = 2818445760. Its totient is φ = 256276224.

The previous prime is 1022120009. The next prime is 1022120059. The reversal of 1022120010 is 100212201.

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 = 1022119974 and 1022120001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232089 + ... + 236451.

It is an arithmetic number, because the mean of its divisors is an integer number (29358810).

Almost surely, 2^1022120010 is an apocalyptic number.

1022120010 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 1022120010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409222880).

1022120010 is an abundant number, since it is smaller than the sum of its proper divisors (1796325750).

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

1022120010 is a wasteful number, since it uses less digits than its factorization.

1022120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532 (or 4529 counting only the distinct ones).

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

The square root of 1022120010 is about 31970.6116613367. The cubic root of 1022120010 is about 1007.3196289771.

Adding to 1022120010 its reverse (100212201), we get a palindrome (1122332211).

The spelling of 1022120010 in words is "one billion, twenty-two million, one hundred twenty thousand, ten".