1200022220210 has 24 divisors (see below), whose sum is σ = 2374258841388. Its totient is φ = 436371716000.

The previous prime is 1200022220209. The next prime is 1200022220233. The reversal of 1200022220210 is 120222200021.

It can be written as a sum of positive squares in 2 ways, for example, as 1199447707249 + 574512961 = 1095193^2 + 23969^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495875741 + ... + 495878160.

Almost surely, 2^{1200022220210} is an apocalyptic number.

1200022220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200022220210 is a deficient number, since it is larger than the sum of its proper divisors (1174236621178).

1200022220210 is a wasteful number, since it uses less digits than its factorization.

1200022220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991753930 (or 991753919 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1200022220210 its reverse (120222200021), we get a palindrome (1320244420231).

The spelling of 1200022220210 in words is "one trillion, two hundred billion, twenty-two million, two hundred twenty thousand, two hundred ten".