1202012121102 has 24 divisors (see below), whose sum is σ = 2603174181624. Its totient is φ = 369849883104.

The previous prime is 1202012121061. The next prime is 1202012121109. The reversal of 1202012121102 is 2011212102021.

It is a super-2 number, since 2×1202012121102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202012121109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592707133 + ... + 592709160.

It is an arithmetic number, because the mean of its divisors is an integer number (108465590901).

Almost surely, 2^{1202012121102} is an apocalyptic number.

1202012121102 is an abundant number, since it is smaller than the sum of its proper divisors (1401162060522).

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

1202012121102 is a wasteful number, since it uses less digits than its factorization.

1202012121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185416324 (or 1185416311 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1202012121102 its reverse (2011212102021), we get a palindrome (3213224223123).

The spelling of 1202012121102 in words is "one trillion, two hundred two billion, twelve million, one hundred twenty-one thousand, one hundred two".