1022120550250 has 128 divisors (see below), whose sum is σ = 2074293411840. Its totient is φ = 375660288000.

The previous prime is 1022120550103. The next prime is 1022120550323. The reversal of 1022120550250 is 520550212201.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81691495 + ... + 81704005.

It is an arithmetic number, because the mean of its divisors is an integer number (16205417280).

Almost surely, 2^{1022120550250} is an apocalyptic number.

1022120550250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022120550250 is an abundant number, since it is smaller than the sum of its proper divisors (1052172861590).

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

1022120550250 is a wasteful number, since it uses less digits than its factorization.

1022120550250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13001 (or 12991 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 1022120550250 its reverse (520550212201), we get a palindrome (1542670762451).

The spelling of 1022120550250 in words is "one trillion, twenty-two billion, one hundred twenty million, five hundred fifty thousand, two hundred fifty".