1202012212020 has 24 divisors (see below), whose sum is σ = 3365634193824. Its totient is φ = 320536589856.

The previous prime is 1202012212013. The next prime is 1202012212021. The reversal of 1202012212020 is 202122102021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202012212021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10016768374 + ... + 10016768493.

It is an arithmetic number, because the mean of its divisors is an integer number (140234758076).

Almost surely, 2^{1202012212020} is an apocalyptic number.

1202012212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202012212020 is an abundant number, since it is smaller than the sum of its proper divisors (2163621981804).

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

1202012212020 is a wasteful number, since it uses less digits than its factorization.

1202012212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20033536879 (or 20033536877 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1202012212020 its reverse (202122102021), we get a palindrome (1404134314041).

It can be divided in two parts, 12020 and 12212020, that added together give a triangular number (12224040 = T₄₉₄₄).

The spelling of 1202012212020 in words is "one trillion, two hundred two billion, twelve million, two hundred twelve thousand, twenty".