1212020002101 has 8 divisors (see below), whose sum is σ = 1625703476544. Its totient is φ = 803174931200.

The previous prime is 1212020002079. The next prime is 1212020002117. The reversal of 1212020002101 is 1012000202121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212020002101 - 2⁵ = 1212020002069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212020002601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1209600300 + ... + 1209601301.

It is an arithmetic number, because the mean of its divisors is an integer number (203212934568).

Almost surely, 2^{1212020002101} is an apocalyptic number.

It is an amenable number.

1212020002101 is a deficient number, since it is larger than the sum of its proper divisors (413683474443).

1212020002101 is a wasteful number, since it uses less digits than its factorization.

1212020002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419201771.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1212020002101 its reverse (1012000202121), we get a palindrome (2224020204222).

The spelling of 1212020002101 in words is "one trillion, two hundred twelve billion, twenty million, two thousand, one hundred one".