121400340133332 has 48 divisors (see below), whose sum is σ = 305065536052032. Its totient is φ = 37352938022400.

The previous prime is 121400340133309. The next prime is 121400340133339. The reversal of 121400340133332 is 233331043004121.

It is a self number, because there is not a number n which added to its sum of digits gives 121400340133332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121400340133339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4767669 + ... + 16295132.

It is an arithmetic number, because the mean of its divisors is an integer number (6355532001084).

Almost surely, 2^{121400340133332} is an apocalyptic number.

121400340133332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121400340133332 is an abundant number, since it is smaller than the sum of its proper divisors (183665195918700).

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

121400340133332 is a wasteful number, since it uses less digits than its factorization.

121400340133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21099768 (or 21099766 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 121400340133332 its reverse (233331043004121), we get a palindrome (354731383137453).

The spelling of 121400340133332 in words is "one hundred twenty-one trillion, four hundred billion, three hundred forty million, one hundred thirty-three thousand, three hundred thirty-two".