121202113213000 has 32 divisors (see below), whose sum is σ = 283612944920760. Its totient is φ = 48480845284800.

The previous prime is 121202113212977. The next prime is 121202113213039. The reversal of 121202113213000 is 312311202121.

It can be written as a sum of positive squares in 4 ways, for example, as 26286313572324 + 94915799640676 = 5127018^2 + 9742474^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60601055607 + ... + 60601057606.

Almost surely, 2^{121202113213000} is an apocalyptic number.

121202113213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121202113213000 is an abundant number, since it is smaller than the sum of its proper divisors (162410831707760).

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

121202113213000 is a wasteful number, since it uses less digits than its factorization.

121202113213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121202113234 (or 121202113220 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121202113213000 its reverse (312311202121), we get a palindrome (121514424415121).

The spelling of 121202113213000 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred thirteen million, two hundred thirteen thousand".