1212102002031 has 8 divisors (see below), whose sum is σ = 1617807295104. Its totient is φ = 807232355160.

The previous prime is 1212102002029. The next prime is 1212102002051. The reversal of 1212102002031 is 1302002012121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212102002031 - 2¹ = 1212102002029 is a prime.

It is a super-2 number, since 2×1212102002031² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212102002031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212102002051) 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, 208908165 + ... + 208913966.

It is an arithmetic number, because the mean of its divisors is an integer number (202225911888).

Almost surely, 2^{1212102002031} is an apocalyptic number.

1212102002031 is a deficient number, since it is larger than the sum of its proper divisors (405705293073).

1212102002031 is an equidigital number, since it uses as much as digits as its factorization.

1212102002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417823101.

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

Adding to 1212102002031 its reverse (1302002012121), we get a palindrome (2514104014152).

The spelling of 1212102002031 in words is "one trillion, two hundred twelve billion, one hundred two million, two thousand, thirty-one".