1212020200202 has 64 divisors (see below), whose sum is σ = 2124877708800. Its totient is φ = 507817900800.

The previous prime is 1212020200201. The next prime is 1212020200231. The reversal of 1212020200202 is 2020020202121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1212020200201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45145499 + ... + 45172337.

It is an arithmetic number, because the mean of its divisors is an integer number (33201214200).

Almost surely, 2^{1212020200202} is an apocalyptic number.

1212020200202 is a deficient number, since it is larger than the sum of its proper divisors (912857508598).

1212020200202 is a wasteful number, since it uses less digits than its factorization.

1212020200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27351.

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

Adding to 1212020200202 its reverse (2020020202121), we get a palindrome (3232040402323).

The spelling of 1212020200202 in words is "one trillion, two hundred twelve billion, twenty million, two hundred thousand, two hundred two".