1212021001202 has 16 divisors (see below), whose sum is σ = 1983351614400. Its totient is φ = 550906269840.

The previous prime is 1212021001189. The next prime is 1212021001211. The reversal of 1212021001202 is 2021001202121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422924 + ... + 1613352.

It is an arithmetic number, because the mean of its divisors is an integer number (123959475900).

Almost surely, 2^{1212021001202} is an apocalyptic number.

1212021001202 is a deficient number, since it is larger than the sum of its proper divisors (771330613198).

1212021001202 is a wasteful number, since it uses less digits than its factorization.

1212021001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236721.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212021001202 its reverse (2021001202121), we get a palindrome (3233022203323).

It can be divided in two parts, 121 and 2021001202, that multiplied together give a palindrome (244541145442).

The spelling of 1212021001202 in words is "one trillion, two hundred twelve billion, twenty-one million, one thousand, two hundred two".