1212020020113 has 32 divisors (see below), whose sum is σ = 1910714300160. Its totient is φ = 668651397120.

The previous prime is 1212020020091. The next prime is 1212020020147. The reversal of 1212020020113 is 3110200202121.

It is not a de Polignac number, because 1212020020113 - 2⁸ = 1212020019857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212020020092 and 1212020020101.

It is not an unprimeable number, because it can be changed into a prime (1212020020153) 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 31 ways as a sum of consecutive naturals, for example, 9142881 + ... + 9274497.

It is an arithmetic number, because the mean of its divisors is an integer number (59709821880).

Almost surely, 2^{1212020020113} is an apocalyptic number.

It is an amenable number.

1212020020113 is a deficient number, since it is larger than the sum of its proper divisors (698694280047).

1212020020113 is a wasteful number, since it uses less digits than its factorization.

1212020020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146777.

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

Adding to 1212020020113 its reverse (3110200202121), we get a palindrome (4322220222234).

The spelling of 1212020020113 in words is "one trillion, two hundred twelve billion, twenty million, twenty thousand, one hundred thirteen".