1212014212340 has 24 divisors (see below), whose sum is σ = 2545265390472. Its totient is φ = 484798914560.

The previous prime is 1212014212309. The next prime is 1212014212393. The reversal of 1212014212340 is 432124102121.

It can be written as a sum of positive squares in 4 ways, for example, as 299018674276 + 912995538064 = 546826^2 + 955508^2 .

It is a congruent number.

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, 1195880 + ... + 1963200.

It is an arithmetic number, because the mean of its divisors is an integer number (106052724603).

Almost surely, 2^{1212014212340} is an apocalyptic number.

1212014212340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212014212340 is an abundant number, since it is smaller than the sum of its proper divisors (1333251178132).

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

1212014212340 is a wasteful number, since it uses less digits than its factorization.

1212014212340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846307 (or 846305 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1212014212340 its reverse (432124102121), we get a palindrome (1644138314461).

The spelling of 1212014212340 in words is "one trillion, two hundred twelve billion, fourteen million, two hundred twelve thousand, three hundred forty".