1202220212128 has 48 divisors (see below), whose sum is σ = 2549113428960. Its totient is φ = 554832688896.

The previous prime is 1202220212111. The next prime is 1202220212129. The reversal of 1202220212128 is 8212120222021.

It is not an unprimeable number, because it can be changed into a prime (1202220212129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6475863 + ... + 6658921.

It is an arithmetic number, because the mean of its divisors is an integer number (53106529770).

Almost surely, 2^{1202220212128} is an apocalyptic number.

It is an amenable number.

1202220212128 is an abundant number, since it is smaller than the sum of its proper divisors (1346893216832).

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

1202220212128 is a wasteful number, since it uses less digits than its factorization.

1202220212128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198869 (or 198861 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 1202220212128 its reverse (8212120222021), we get a palindrome (9414340434149).

The spelling of 1202220212128 in words is "one trillion, two hundred two billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty-eight".