121211020032 has 72 divisors (see below), whose sum is σ = 322700669760. Its totient is φ = 40390824960.

The previous prime is 121211020003. The next prime is 121211020069. The reversal of 121211020032 is 230020112121.

It is a super-2 number, since 2×121211020032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121211019993 and 121211020020.

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, 2565519 + ... + 2612337.

Almost surely, 2^121211020032 is an apocalyptic number.

121211020032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121211020032 is an abundant number, since it is smaller than the sum of its proper divisors (201489649728).

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

121211020032 is an equidigital number, since it uses as much as digits as its factorization.

121211020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50209 (or 50195 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121211020032 its reverse (230020112121), we get a palindrome (351231132153).

The spelling of 121211020032 in words is "one hundred twenty-one billion, two hundred eleven million, twenty thousand, thirty-two".