1212020020112 has 40 divisors (see below), whose sum is σ = 2569371403872. Its totient is φ = 549283392000.

The previous prime is 1212020020091. The next prime is 1212020020147. The reversal of 1212020020112 is 2110200202121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10158014 + ... + 10276637.

Almost surely, 2^{1212020020112} is an apocalyptic number.

It is an amenable number.

1212020020112 is an abundant number, since it is smaller than the sum of its proper divisors (1357351383760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212020020112 is a wasteful number, since it uses less digits than its factorization.

1212020020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20435007 (or 20435001 counting only the distinct ones).

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

Adding to 1212020020112 its reverse (2110200202121), we get a palindrome (3322220222233).

The spelling of 1212020020112 in words is "one trillion, two hundred twelve billion, twenty million, twenty thousand, one hundred twelve".