1201022020212 has 24 divisors (see below), whose sum is σ = 3202725387456. Its totient is φ = 343149148608.

The previous prime is 1201022020201. The next prime is 1201022020217. The reversal of 1201022020212 is 2120202201021.

It is a super-2 number, since 2×1201022020212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201022020191 and 1201022020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201022020217) 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, 7148940513 + ... + 7148940680.

It is an arithmetic number, because the mean of its divisors is an integer number (133446891144).

Almost surely, 2^{1201022020212} is an apocalyptic number.

1201022020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201022020212 is an abundant number, since it is smaller than the sum of its proper divisors (2001703367244).

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

1201022020212 is a wasteful number, since it uses less digits than its factorization.

1201022020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14297881207 (or 14297881205 counting only the distinct ones).

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

Adding to 1201022020212 its reverse (2120202201021), we get a palindrome (3321224221233).

The spelling of 1201022020212 in words is "one trillion, two hundred one billion, twenty-two million, twenty thousand, two hundred twelve".