1201022120204 has 96 divisors (see below), whose sum is σ = 2330298077184. Its totient is φ = 539185121280.

The previous prime is 1201022120167. The next prime is 1201022120227. The reversal of 1201022120204 is 4020212201021.

It is a super-2 number, since 2×1201022120204² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 173881319 + ... + 173888225.

It is an arithmetic number, because the mean of its divisors is an integer number (24273938304).

Almost surely, 2^{1201022120204} is an apocalyptic number.

It is an amenable number.

1201022120204 is a deficient number, since it is larger than the sum of its proper divisors (1129275956980).

1201022120204 is a wasteful number, since it uses less digits than its factorization.

1201022120204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343 (or 8341 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1201022120204 its reverse (4020212201021), we get a palindrome (5221234321225).

The spelling of 1201022120204 in words is "one trillion, two hundred one billion, twenty-two million, one hundred twenty thousand, two hundred four".