1201021200002 has 32 divisors (see below), whose sum is σ = 2007156715200. Its totient is φ = 535164372288.

The previous prime is 1201021199941. The next prime is 1201021200013. The reversal of 1201021200002 is 2000021201021.

It is a happy number.

It is a super-3 number, since 3×1201021200002³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12064949 + ... + 12164087.

It is an arithmetic number, because the mean of its divisors is an integer number (62723647350).

Almost surely, 2^{1201021200002} is an apocalyptic number.

1201021200002 is a deficient number, since it is larger than the sum of its proper divisors (806135515198).

1201021200002 is a wasteful number, since it uses less digits than its factorization.

1201021200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115250.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1201021200002 its reverse (2000021201021), we get a palindrome (3201042401023).

It can be divided in two parts, 1201021 and 200002, that multiplied together give a palindrome (240206602042).

The spelling of 1201021200002 in words is "one trillion, two hundred one billion, twenty-one million, two hundred thousand, two".