1212001020212 has 48 divisors (see below), whose sum is σ = 2217919536000. Its totient is φ = 578796704640.

The previous prime is 1212001020179. The next prime is 1212001020221. The reversal of 1212001020212 is 2120201002121.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3841787 + ... + 4145277.

It is an arithmetic number, because the mean of its divisors is an integer number (46206657000).

Almost surely, 2^{1212001020212} is an apocalyptic number.

It is an amenable number.

1212001020212 is a deficient number, since it is larger than the sum of its proper divisors (1005918515788).

1212001020212 is a wasteful number, since it uses less digits than its factorization.

1212001020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303896 (or 303894 counting only the distinct ones).

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

Adding to 1212001020212 its reverse (2120201002121), we get a palindrome (3332202022333).

The spelling of 1212001020212 in words is "one trillion, two hundred twelve billion, one million, twenty thousand, two hundred twelve".