1202020312 has 16 divisors (see below), whose sum is σ = 2256873840. Its totient is φ = 600187296.

The previous prime is 1202020307. The next prime is 1202020349. The reversal of 1202020312 is 2130202021.

It is a junction number, because it is equal to n+sod(n) for n = 1202020292 and 1202020301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96628 + ... + 108355.

It is an arithmetic number, because the mean of its divisors is an integer number (141054615).

Almost surely, 2^1202020312 is an apocalyptic number.

It is an amenable number.

1202020312 is a deficient number, since it is larger than the sum of its proper divisors (1054853528).

1202020312 is a wasteful number, since it uses less digits than its factorization.

1202020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205722 (or 205718 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1202020312 is about 34670.1645799382. The cubic root of 1202020312 is about 1063.2545964460.

Adding to 1202020312 its reverse (2130202021), we get a palindrome (3332222333).

The spelling of 1202020312 in words is "one billion, two hundred two million, twenty thousand, three hundred twelve".