690340422212 has 24 divisors (see below), whose sum is σ = 1391552354304. Its totient is φ = 293530571712.

The previous prime is 690340422209. The next prime is 690340422259. The reversal of 690340422212 is 212224043096.

690340422212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 97063433 + ... + 97070544.

It is an arithmetic number, because the mean of its divisors is an integer number (57981348096).

Almost surely, 2^690340422212 is an apocalyptic number.

It is an amenable number.

690340422212 is an abundant number, since it is smaller than the sum of its proper divisors (701211932092).

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

690340422212 is a wasteful number, since it uses less digits than its factorization.

690340422212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194134115 (or 194134113 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 690340422212 in words is "six hundred ninety billion, three hundred forty million, four hundred twenty-two thousand, two hundred twelve".