1212022020195 has 48 divisors (see below), whose sum is σ = 2441652145920. Its totient is φ = 544676231232.

The previous prime is 1212022020193. The next prime is 1212022020227. The reversal of 1212022020195 is 5910202202121.

It is a happy number.

It is not a de Polignac number, because 1212022020195 - 2¹ = 1212022020193 is a prime.

It is a super-3 number, since 3×1212022020195³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212022020193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32588949 + ... + 32626118.

It is an arithmetic number, because the mean of its divisors is an integer number (50867753040).

Almost surely, 2^{1212022020195} is an apocalyptic number.

1212022020195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1212022020195 is an abundant number, since it is smaller than the sum of its proper divisors (1229630125725).

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

1212022020195 is a wasteful number, since it uses less digits than its factorization.

1212022020195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65215144 (or 65215141 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 1212022020195 in words is "one trillion, two hundred twelve billion, twenty-two million, twenty thousand, one hundred ninety-five".