1202120001213 has 16 divisors (see below), whose sum is σ = 1617037415616. Its totient is φ = 794326158720.

The previous prime is 1202120001169. The next prime is 1202120001239. The reversal of 1202120001213 is 3121000212021.

It is not a de Polignac number, because 1202120001213 - 2⁶ = 1202120001149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202120001192 and 1202120001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202120001293) 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, 2010118 + ... + 2538663.

It is an arithmetic number, because the mean of its divisors is an integer number (101064838476).

Almost surely, 2^{1202120001213} is an apocalyptic number.

It is an amenable number.

1202120001213 is a deficient number, since it is larger than the sum of its proper divisors (414917414403).

1202120001213 is a wasteful number, since it uses less digits than its factorization.

1202120001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549564.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1202120001213 its reverse (3121000212021), we get a palindrome (4323120213234).

The spelling of 1202120001213 in words is "one trillion, two hundred two billion, one hundred twenty million, one thousand, two hundred thirteen".