121101201012 has 36 divisors (see below), whose sum is σ = 310592891168. Its totient is φ = 36697333200.

The previous prime is 121101200993. The next prime is 121101201031. The reversal of 121101201012 is 210102101121.

It is an interprime number because it is at equal distance from previous prime (121101200993) and next prime (121101201031).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41700064 + ... + 41702967.

Almost surely, 2^121101201012 is an apocalyptic number.

121101201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121101201012 is an abundant number, since it is smaller than the sum of its proper divisors (189491690156).

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

121101201012 is a wasteful number, since it uses less digits than its factorization.

121101201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83403060 (or 83403047 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121101201012 its reverse (210102101121), we get a palindrome (331203302133).

The spelling of 121101201012 in words is "one hundred twenty-one billion, one hundred one million, two hundred one thousand, twelve".