1212102032120 has 64 divisors (see below), whose sum is σ = 3118565707200. Its totient is φ = 415346918400.

The previous prime is 1212102032117. The next prime is 1212102032123. The reversal of 1212102032120 is 212302012121.

It is an interprime number because it is at equal distance from previous prime (1212102032117) and next prime (1212102032123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212102032123) 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, 697535 + ... + 1706094.

It is an arithmetic number, because the mean of its divisors is an integer number (48727589175).

Almost surely, 2^{1212102032120} is an apocalyptic number.

1212102032120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212102032120 is an abundant number, since it is smaller than the sum of its proper divisors (1906463675080).

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

1212102032120 is a wasteful number, since it uses less digits than its factorization.

1212102032120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405448 (or 2405444 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212102032120 its reverse (212302012121), we get a palindrome (1424404044241).

The spelling of 1212102032120 in words is "one trillion, two hundred twelve billion, one hundred two million, thirty-two thousand, one hundred twenty".