1210020212001 has 16 divisors (see below), whose sum is σ = 1657059888384. Its totient is φ = 784832845824.

The previous prime is 1210020211979. The next prime is 1210020212017. The reversal of 1210020212001 is 1002120200121.

It is not a de Polignac number, because 1210020212001 - 2⁵ = 1210020211969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210020212021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682785 + ... + 2291681.

It is an arithmetic number, because the mean of its divisors is an integer number (103566243024).

Almost surely, 2^{1210020212001} is an apocalyptic number.

It is an amenable number.

1210020212001 is a deficient number, since it is larger than the sum of its proper divisors (447039676383).

1210020212001 is a wasteful number, since it uses less digits than its factorization.

1210020212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626840.

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

Adding to 1210020212001 its reverse (1002120200121), we get a palindrome (2212140412122).

The spelling of 1210020212001 in words is "one trillion, two hundred ten billion, twenty million, two hundred twelve thousand, one".