1212200021002 has 8 divisors (see below), whose sum is σ = 1818316029312. Its totient is φ = 606094677900.

The previous prime is 1212200020963. The next prime is 1212200021027. The reversal of 1212200021002 is 2001200022121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2375824 + ... + 2840587.

It is an arithmetic number, because the mean of its divisors is an integer number (227289503664).

Almost surely, 2^{1212200021002} is an apocalyptic number.

1212200021002 is a deficient number, since it is larger than the sum of its proper divisors (606116008310).

1212200021002 is a wasteful number, since it uses less digits than its factorization.

1212200021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332604.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1212200021002 its reverse (2001200022121), we get a palindrome (3213400043123).

The spelling of 1212200021002 in words is "one trillion, two hundred twelve billion, two hundred million, twenty-one thousand, two".