121000201001212 has 24 divisors (see below), whose sum is σ = 228042165893472. Its totient is φ = 55845432196800.

The previous prime is 121000201001209. The next prime is 121000201001213. The reversal of 121000201001212 is 212100102000121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 121000201001192 and 121000201001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000201001213) 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, 13359739 + ... + 20505682.

It is an arithmetic number, because the mean of its divisors is an integer number (9501756912228).

Almost surely, 2^{121000201001212} is an apocalyptic number.

It is an amenable number.

121000201001212 is a deficient number, since it is larger than the sum of its proper divisors (107041964892260).

121000201001212 is a wasteful number, since it uses less digits than its factorization.

121000201001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33934149 (or 33934147 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121000201001212 its reverse (212100102000121), we get a palindrome (333100303001333).

The spelling of 121000201001212 in words is "one hundred twenty-one trillion, two hundred one million, one thousand, two hundred twelve".